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Nissan Pathfinder Owners & Service Manuals

Nissan Pathfinder: Audio, Visual & Navigation System - Dtc/circuit Diagnosis

Nissan Pathfinder (R53) 2022-2025 Service Manual / Driver Information & Multimedia :: Audio, Visual & Navigation System / Nissanconnect / Dtc/circuit Diagnosis

Multi Av (av Control Unit) ➤ Nissan Pathfinder 2025

Audio Amp. (bose Speaker Amp.) Nissan Pathfinder R53

B1a01 Front Left Door Woofer Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A01–13

Front left door woofer out

(Front door speaker LH and front tweeter LH) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR DOOR LH+ (terminal 66)

  • FR DOOR LH− (terminal 65)
Threshold —
Diagnosis delay time 30 seconds or more
B1A01–1A [SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR DOOR LH+ (terminal 66)

  • FR DOOR LH− (terminal 65)
Threshold —
Diagnosis delay time 30 seconds or more
B1A01–11 [GND–SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR DOOR LH+ (terminal 66)

  • FR DOOR LH− (terminal 65)
Threshold —
Diagnosis delay time 30 seconds or more
B1A01–12 [VB–SHOR] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR DOOR LH+ (terminal 66)

  • FR DOOR LH− (terminal 65)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • FR DOOR LH+ open, short, short to ground, short to voltage

  • FR DOOR LH− open, short, short to ground, short to voltage

  • Front door speaker LH

  • Front tweeter LH

  • Bose speaker amp.

FAIL-SAFE

  • Failure type byte 11, 12 and 1A:

    • Front door speaker LH inoperative

    • Front tweeter LH inoperative

  • Failure type byte 13: front door speaker LH inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A01 detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A01–11, 12, 13 or 1A detected?

YES>>

13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

YES>>

1A [SHORT] – GO TO 3.

YES>>

12 [VB–SHOR] – GO TO 4.

NO>>

Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B146, front door speaker LH connector and front tweeter LH connector.

  3. Check the continuity between Bose speaker amp. connector B146 and front door speaker LH connector D13.

    Bose speaker amp. Front door speaker LH Continuity
    Connector Terminal Connector Terminal
    B146 66 D13 1 Yes
    65 2

  4. Check the continuity between Bose speaker amp. connector B146 and ground.

    Bose speaker amp. Continuity
    Connector Terminal Ground
    B146 66 — No
    65

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B146, front door speaker LH connector and front tweeter LH connector.

  3. Check the continuity between the terminals of Bose speaker amp. connector B146.

    Bose speaker amp. Continuity
    Connector Terminal
    B146 66 65 No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B146, front door speaker LH connector and front tweeter LH connector.

  3. Ignition switch ON.

  4. Check the voltage between Bose speaker amp. connector B146 and ground.

    Bose speaker amp. Ground

    Voltage

    Approx.
    Connector Terminal
    B146 66 — 0 V
    65

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK FRONT LH SPEAKER SIGNAL

  1. Connect Bose speaker amp. connector B146, front door speaker LH connector and front tweeter LH connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B146.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B146 66 65 Audio signal output

Is the inspection result normal?

YES>>

Replace front door speaker LH or front tweeter LH. Refer to Removal and Installation (front door speaker) or Removal and Installation (front tweeter).

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a05 Front Right Door Woofer Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A05–13

Front right door woofer out

(Front door speaker RH and front tweeter RH) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR DOOR RH+ (terminal 67)

  • FR DOOR RH− (terminal 60)
Threshold —
Diagnosis delay time 30 seconds or more
B1A05–1A [SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR DOOR RH+ (terminal 67)

  • FR DOOR RH− (terminal 60)
Threshold —
Diagnosis delay time 30 seconds or more
B1A05–11 [GND–SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR DOOR RH+ (terminal 67)

  • FR DOOR RH− (terminal 60)
Threshold —
Diagnosis delay time 30 seconds or more
B1A05–12 [VB–SHOR] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR DOOR RH+ (terminal 67)

  • FR DOOR RH− (terminal 60)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • FR DOOR RH+ open, short, short to ground, short to voltage

  • FR DOOR RH− open, short, short to ground, short to voltage

  • Front door speaker RH

  • Front tweeter RH

  • Bose speaker amp.

FAIL-SAFE

  • Failure type byte 11, 12 and 1A:

    • Front door speaker RH inoperative

    • Front tweeter RH inoperative

  • Failure type byte 13: front door speaker RH inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A05 detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A05–11, 12, 13 or 1A detected?

YES>>

13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

YES>>

1A [SHORT] – GO TO 3.

YES>>

12 [VB–SHOR] – GO TO 4.

NO>>

Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B146, front door speaker RH connector and front tweeter RH connector.

  3. Check the continuity between Bose speaker amp. connector B146 and front door speaker RH connector D113.

    Bose speaker amp. Front door speaker RH Continuity
    Connector Terminal Connector Terminal
    B146 67 D113 1 Yes
    60 2

  4. Check the continuity between Bose speaker amp. connector B146 and ground.

    Bose speaker amp. Continuity
    Connector Terminal Ground
    B146 67 — No
    60

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B146, front door speaker RH connector and front tweeter RH connector.

  3. Check the continuity between the terminals of Bose speaker amp. connector B146.

    Bose speaker amp. Continuity
    Connector Terminal
    B146 67 60 No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B146, front door speaker RH connector and front tweeter RH connector.

  3. Ignition switch ON.

  4. Check the voltage between Bose speaker amp. connector B146 and ground.

    Bose speaker amp. Ground

    Voltage

    Approx.
    Connector Terminal
    B146 67 — 0 V
    60

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK FRONT RH SPEAKER SIGNAL

  1. Connect Bose speaker amp. connector B146, front door speaker RH connector and front tweeter RH connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B146.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B146 67 60 Audio signal output

Is the inspection result normal?

YES>>

Replace front door speaker RH or front tweeter RH. Refer to Removal and Installation (front door speaker) or Removal and Installation (front tweeter).

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a0a Front Instrument Left Squawker Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A0A–13

Front instrument left squawker out

(Instrument panel tweeter LH) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR INST LH+ (terminal 43)

  • FR INST LH− (terminal 50)
Threshold —
Diagnosis delay time 30 seconds or more
B1A0A–1A [SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR INST LH+ (terminal 43)

  • FR INST LH− (terminal 50)
Threshold —
Diagnosis delay time 30 seconds or more
B1A0A–11 [GND–SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR INST LH+ (terminal 43)

  • FR INST LH− (terminal 50)
Threshold —
Diagnosis delay time 30 seconds or more
B1A0A–12 [VB–SHOR] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR INST LH+ (terminal 43)

  • FR INST LH− (terminal 50)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • FR INST LH+ open, short, short to ground, short to voltage

  • FR INST LH− open, short, short to ground, short to voltage

  • Instrument panel tweeter LH

  • Bose speaker amp.

FAIL-SAFE

Instrument panel tweeter LH is inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A0A detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A0A–11, 12, 13 or 1A detected?

YES>>

13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

YES>>

1A [SHORT] – GO TO 3.

YES>>

12 [VB–SHOR] – GO TO 4.

NO>>

Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and instrument panel tweeter LH connector.

  3. Check the continuity between Bose speaker amp. connector B130 and instrument panel tweeter LH connector M62.

    Bose speaker amp. Instrument panel tweeter LH Continuity
    Connector Terminal Connector Terminal
    B130 43 M62 1 Yes
    50 2

  4. Check the continuity between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Continuity
    Connector Terminal Ground
    B130 43 — No
    50

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and instrument panel tweeter LH connector.

  3. Check the continuity between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Continuity
    Connector Terminal
    B130 43 50 No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and instrument panel tweeter LH connector.

  3. Ignition switch ON.

  4. Check the voltage between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Ground

    Voltage

    Approx.
    Connector Terminal
    B130 43 — 0 V
    50

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK INSTRUMENT PANEL TWEETER LH SIGNAL

  1. Connect Bose speaker amp. connector B130 and instrument panel tweeter LH connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B130 43 50 Audio signal output

Is the inspection result normal?

YES>>

Replace instrument panel tweeter LH. Refer to Removal and Installation.

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a0e Front Instrument Center Squawker Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A0E–13

Front instrument center squawker out

(Center speaker) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • INST SP CENT+ (terminal 46)

  • INST SP CENT− (terminal 55)
Threshold —
Diagnosis delay time 30 seconds or more
B1A0E–1A [SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • INST SP CENT+ (terminal 46)

  • INST SP CENT− (terminal 55)
Threshold —
Diagnosis delay time 30 seconds or more
B1A0E–11 [GND–SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • INST SP CENT+ (terminal 46)

  • INST SP CENT− (terminal 55)
Threshold —
Diagnosis delay time 30 seconds or more
B1A0E–12 [VB–SHOR] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • INST SP CENT+ (terminal 46)

  • INST SP CENT− (terminal 55)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • INST SP CENT+ open, short, short to ground, short to voltage

  • INST SP CENT− open, short, short to ground, short to voltage

  • Center speaker

  • Bose speaker amp.

FAIL-SAFE

Center speaker is inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A0E detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A0E–11, 12, 13 or 1A detected?

YES>>

13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

YES>>

1A [SHORT] – GO TO 3.

YES>>

12 [VB–SHOR] – GO TO 4.

NO>>

Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and center speaker connector.

  3. Check the continuity between Bose speaker amp. connector B130 and center speaker connector M279.

    Bose speaker amp. Center speaker Continuity
    Connector Terminal Connector Terminal
    B130 46 M279 1 Yes
    55 2

  4. Check the continuity between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Continuity
    Connector Terminal Ground
    B130 46 — No
    55

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and center speaker connector.

  3. Check the continuity between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Continuity
    Connector Terminal
    B130 46 55 No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and center speaker connector.

  3. Ignition switch ON.

  4. Check the voltage between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Ground

    Voltage

    Approx.
    Connector Terminal
    B130 46 — 0 V
    55

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK CENTER SPEAKER SIGNAL

  1. Connect Bose speaker amp. connector B130 and center speaker connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B130 46 55 Audio signal output

Is the inspection result normal?

YES>>

Replace center speaker. Refer to Removal and Installation.

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a12 Front Instrument Right Squawker Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A12–13

Front instrument right squawker out

(Instrument panel tweeter RH) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR INST RH+ (terminal 51)

  • FR INST RH− (terminal 52)
Threshold —
Diagnosis delay time 30 seconds or more
B1A12–1A [SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR INST RH+ (terminal 51)

  • FR INST RH− (terminal 52)
Threshold —
Diagnosis delay time 30 seconds or more
B1A12–11 [GND–SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR INST RH+ (terminal 51)

  • FR INST RH− (terminal 52)
Threshold —
Diagnosis delay time 30 seconds or more
B1A12–12 [VB–SHOR] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR INST RH+ (terminal 51)

  • FR INST RH− (terminal 52)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • FR INST RH+ open, short, short to ground, short to voltage

  • FR INST RH− open, short, short to ground, short to voltage

  • Instrument panel tweeter RH

  • Bose speaker amp.

FAIL-SAFE

Instrument panel tweeter RH is inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A12 detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A12–11, 12, 13 or 1A detected?

YES>>

13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

YES>>

1A [SHORT] – GO TO 3.

YES>>

12 [VB–SHOR] – GO TO 4.

NO>>

Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and instrument panel tweeter RH connector.

  3. Check the continuity between Bose speaker amp. connector B130 and instrument panel tweeter RH connector M73.

    Bose speaker amp. Instrument panel tweeter RH Continuity
    Connector Terminal Connector Terminal
    B130 51 M73 1 Yes
    52 2

  4. Check the continuity between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Continuity
    Connector Terminal Ground
    B130 51 — No
    52

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and instrument panel tweeter RH connector.

  3. Check the continuity between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Continuity
    Connector Terminal
    B130 51 52 No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and instrument panel tweeter RH connector.

  3. Ignition switch ON.

  4. Check the voltage between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Ground

    Voltage

    Approx.
    Connector Terminal
    B130 51 — 0 V
    52

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK INSTRUMENT PANEL TWEETER RH SIGNAL

  1. Connect Bose speaker amp. connector B130 and instrument panel tweeter RH connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B130 51 52 Audio signal output

Is the inspection result normal?

YES>>

Replace instrument panel tweeter RH. Refer to Removal and Installation.

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a2f Front Left Pillar Tweeter Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A2F–13

Front left pillar tweeter out

(Front tweeter LH) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR DOOR LH+ (terminal 66)

  • FR DOOR LH− (terminal 65)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • FR DOOR LH+ open

  • FR DOOR LH− open

  • Front tweeter LH

  • Bose speaker amp.

FAIL-SAFE

Front tweeter LH inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A2F detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

CHECK SOUND SIGNAL CIRCUITS FOR OPEN

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B146 and front tweeter LH connector.

  3. Check the continuity between Bose speaker amp. connector B146 and front tweeter LH connector M109.

    Bose speaker amp. Front tweeter LH Continuity
    Connector Terminal Connector Terminal
    B146 66 M109 1 Yes
    65 2

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK FRONT LH SPEAKER SIGNAL

  1. Connect Bose speaker amp. connector B146 and front tweeter LH connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B146.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B146 66 65 Audio signal output

Is the inspection result normal?

YES>>

Replace front tweeter LH. Refer to Removal and Installation.

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a33 Front Right Pillar Tweeter Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A33–13

Front right pillar tweeter out

(Front tweeter RH) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • FR DOOR RH+ (terminal 67)

  • FR DOOR RH− (terminal 60)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • FR DOOR RH+ open

  • FR DOOR RH− open

  • Front tweeter RH

  • Bose speaker amp.

FAIL-SAFE

Front tweeter RH inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A33 detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

CHECK SOUND SIGNAL CIRCUITS FOR OPEN

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B146 and front tweeter RH connector.

  3. Check the continuity between Bose speaker amp. connector B146 and front tweeter RH connector M111.

    Bose speaker amp. Front tweeter RH Continuity
    Connector Terminal Connector Terminal
    B146 67 M111 1 Yes
    60 2

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK FRONT RH SPEAKER SIGNAL

  1. Connect Bose speaker amp. connector B146 and front tweeter RH connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B146.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B146 67 60 Audio signal output

Is the inspection result normal?

YES>>

Replace front tweeter RH. Refer to Removal and Installation.

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a4c Rl-Door Speaker Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A4C–13

RL-DOOR speaker OUT

(Rear door speaker LH) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR DR LH+ (terminal 41)

  • RR DR LH− (terminal 48)
Threshold —
Diagnosis delay time 30 seconds or more
B1A4C–1A [SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR DR LH+ (terminal 41)

  • RR DR LH− (terminal 48)
Threshold —
Diagnosis delay time 30 seconds or more
B1A4C–11 [GND–SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR DR LH+ (terminal 41)

  • RR DR LH− (terminal 48)
Threshold —
Diagnosis delay time 30 seconds or more
B1A4C–12 [VB–SHOR] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR DR LH+ (terminal 41)

  • RR DR LH− (terminal 48)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • RR DR LH+ open, short, short to ground, short to voltage

  • RR DR LH− open, short, short to ground, short to voltage

  • Rear door speaker LH

  • Bose speaker amp.

FAIL-SAFE

Rear door speaker LH is inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A4C detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A4C–11, 12, 13 or 1A detected?

YES>>

13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

YES>>

1A [SHORT] – GO TO 3.

YES>>

12 [VB–SHOR] – GO TO 4.

NO>>

Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear door speaker LH connector.

  3. Check the continuity between Bose speaker amp. connector B130 and rear door speaker LH connector D206.

    Bose speaker amp. Rear door speaker LH Continuity
    Connector Terminal Connector Terminal
    B130 41 D206 1 Yes
    48 2

  4. Check the continuity between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Continuity
    Connector Terminal Ground
    B130 41 — No
    48

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear door speaker LH connector.

  3. Check the continuity between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Continuity
    Connector Terminal
    B130 41 48 No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear door speaker LH connector.

  3. Ignition switch ON.

  4. Check the voltage between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Ground

    Voltage

    Approx.
    Connector Terminal
    B130 41 — 0 V
    48

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK REAR DOOR SPEAKER LH SIGNAL

  1. Connect Bose speaker amp. connector B130 and rear door speaker LH connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B130 41 48 Audio signal output

Is the inspection result normal?

YES>>

Replace rear door speaker LH. Refer to Removal and Installation.

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a50 Rr-Door Speaker Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A50–13

RR-DOOR speaker OUT

(Rear door speaker RH) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR DR RH+ (terminal 42)

  • RR DR RH− (terminal 49)
Threshold —
Diagnosis delay time 30 seconds or more
B1A50–1A [SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR DR RH+ (terminal 42)

  • RR DR RH− (terminal 49)
Threshold —
Diagnosis delay time 30 seconds or more
B1A50–11 [GND–SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR DR RH+ (terminal 42)

  • RR DR RH− (terminal 49)
Threshold —
Diagnosis delay time 30 seconds or more
B1A50–12 [VB–SHOR] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR DR RH+ (terminal 42)

  • RR DR RH− (terminal 49)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • RR DR RH+ open, short, short to ground, short to voltage

  • RR DR RH− open, short, short to ground, short to voltage

  • Rear door speaker RH

  • Bose speaker amp.

FAIL-SAFE

Rear door speaker RH inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A50 detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A50–11, 12, 13 or 1A detected?

YES>>

13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

YES>>

1A [SHORT] – GO TO 3.

YES>>

12 [VB–SHOR] – GO TO 4.

NO>>

Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear door speaker RH connector.

  3. Check the continuity between Bose speaker amp. connector B130 and rear door speaker RH connector D306.

    Bose speaker amp. Rear door speaker RH Continuity
    Connector Terminal Connector Terminal
    B130 42 D306 1 Yes
    49 2

  4. Check the continuity between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Continuity
    Connector Terminal Ground
    B130 42 — No
    49

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear door speaker RH connector.

  3. Check the continuity between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Continuity
    Connector Terminal
    B130 42 49 No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear door speaker RH connector.

  3. Ignition switch ON.

  4. Check the voltage between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Ground

    Voltage

    Approx.
    Connector Terminal
    B130 42 — 0 V
    49

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK REAR DOOR SPEAKER RH SIGNAL

  1. Connect Bose speaker amp. connector B130 and rear door speaker RH connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B130 42 49 Audio signal output

Is the inspection result normal?

YES>>

Replace rear door speaker RH. Refer to Removal and Installation.

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a62 Rl-Pillar Squawker Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A62–13

RL-PLLAR squawker OUT

(Rear side speaker LH) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR SUR LH+ (terminal 44)

  • RR SUR LH− (terminal 53)
Threshold —
Diagnosis delay time 30 seconds or more
B1A62–1A [SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR SUR LH+ (terminal 44)

  • RR SUR LH− (terminal 53)
Threshold —
Diagnosis delay time 30 seconds or more
B1A62–11 [GND–SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR SUR LH+ (terminal 44)

  • RR SUR LH− (terminal 53)
Threshold —
Diagnosis delay time 30 seconds or more
B1A62–12 [VB–SHOR] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR SUR LH+ (terminal 44)

  • RR SUR LH− (terminal 53)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • RR SUR LH+ open, short, short to ground, short to voltage

  • RR SUR LH− open, short, short to ground, short to voltage

  • Rear side speaker LH

  • Bose speaker amp.

FAIL-SAFE

Rear side speaker LH inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A62 detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A62–11, 12, 13 or 1A detected?

YES>>

13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

YES>>

1A [SHORT] – GO TO 3.

YES>>

12 [VB–SHOR] – GO TO 4.

NO>>

Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear side speaker LH connector.

  3. Check the continuity between Bose speaker amp. connector B130 and rear side speaker LH connector B1.

    Bose speaker amp. Rear side speaker LH Continuity
    Connector Terminal Connector Terminal
    B130 44 B1 1 Yes
    53 2

  4. Check the continuity between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Continuity
    Connector Terminal Ground
    B130 44 — No
    53

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear side speaker LH connector.

  3. Check the continuity between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Continuity
    Connector Terminal
    B130 44 53 No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear side speaker LH connector.

  3. Ignition switch ON.

  4. Check the voltage between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Ground

    Voltage

    Approx.
    Connector Terminal
    B130 44 — 0 V
    53

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK REAR SIDE SPEAKER LH SIGNAL

  1. Connect Bose speaker amp. connector B130 and rear side speaker LH connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B130 44 53 Audio signal output

Is the inspection result normal?

YES>>

Replace rear side speaker LH. Refer to Removal and Installation.

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a66 Rr-Pillar Squawker Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A66–13

RR-PLLAR squawker OUT

(Rear side speaker RH) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR SUR RH+ (terminal 45)

  • RR SUR RH− (terminal 54)
Threshold —
Diagnosis delay time 30 seconds or more
B1A66–1A [SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR SUR RH+ (terminal 45)

  • RR SUR RH− (terminal 54)
Threshold —
Diagnosis delay time 30 seconds or more
B1A66–11 [GND–SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR SUR RH+ (terminal 45)

  • RR SUR RH− (terminal 54)
Threshold —
Diagnosis delay time 30 seconds or more
B1A66–12 [VB–SHOR] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • RR SUR RH+ (terminal 45)

  • RR SUR RH− (terminal 54)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • RR SUR RH+ open, short, short to ground, short to voltage

  • RR SUR RH− open, short, short to ground, short to voltage

  • Rear side speaker RH

  • Bose speaker amp.

FAIL-SAFE

Rear side speaker RH inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A66 detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A66–11, 12, 13 or 1A detected?

YES>>

13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

YES>>

1A [SHORT] – GO TO 3.

YES>>

12 [VB–SHOR] – GO TO 4.

NO>>

Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear side speaker RH connector.

  3. Check the continuity between Bose speaker amp. connector B130 and rear side speaker RH connector B153.

    Bose speaker amp. Rear side speaker RH Continuity
    Connector Terminal Connector Terminal
    B130 45 B153 1 Yes
    54 2

  4. Check the continuity between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. Continuity
    Connector Terminal (–)
    B130 45 Ground No
    54

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear side speaker RH connector.

  3. Check the continuity between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Continuity
    Connector Terminal
    B130 45 54 No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B130 and rear side speaker RH connector.

  3. Ignition switch ON.

  4. Check the voltage between Bose speaker amp. connector B130 and ground.

    Bose speaker amp. (–)

    Voltage

    Approx.
    Connector Terminal
    B130 45 Ground 0 V
    54

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK REAR SIDE SPEAKER RH SIGNAL

  1. Connect Bose speaker amp. connector B130 and rear side speaker RH connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B130.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B130 45 54 Audio signal output

Is the inspection result normal?

YES>>

Replace rear side speaker RH. Refer to Removal and Installation.

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a69 Rear Luggage Left Woofer Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A69–13

Rear luggage left woofer out

(Subwoofer) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • BASS BOX1+ (terminal 61)

  • BASS BOX1− (terminal 68)
Threshold —
Diagnosis delay time 30 seconds or more
B1A69–1A [SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • BASS BOX1+ (terminal 61)

  • BASS BOX1− (terminal 68)
Threshold —
Diagnosis delay time 30 seconds or more
B1A69–11 [GND–SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • BASS BOX1+ (terminal 61)

  • BASS BOX1− (terminal 68)
Threshold —
Diagnosis delay time 30 seconds or more
B1A69–12 [VB–SHOR] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • BASS BOX1+ (terminal 61)

  • BASS BOX1− (terminal 68)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • BASS BOX1+ open, short, short to ground, short to voltage

  • BASS BOX1− open, short, short to ground, short to voltage

  • Subwoofer

  • Bose speaker amp.

FAIL-SAFE

Subwoofer 1 is inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A69 detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A69–11, 12, 13 or 1A detected?

YES>>

13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

YES>>

1A [SHORT] – GO TO 3.

YES>>

12 [VB–SHOR] – GO TO 4.

NO>>

Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B146 and subwoofer connector.

  3. Check the continuity between Bose speaker amp. connector B146 and subwoofer connector B73.

    Bose speaker amp. Subwoofer Continuity
    Connector Terminal Connector Terminal
    B146 68 B73 1 Yes
    61 2

  4. Check the continuity between Bose speaker amp. connector B146 and ground.

    Bose speaker amp. Continuity
    Connector Terminal Ground
    B146 68 — No
    61

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B146 and subwoofer connector.

  3. Check the continuity between the terminals of Bose speaker amp. connector B146.

    Bose speaker amp. Continuity
    Connector Terminal
    B146 68 61 No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B146 and subwoofer connector.

  3. Ignition switch ON.

  4. Check the voltage between Bose speaker amp. connector B146 and ground.

    Bose speaker amp. Ground

    Voltage

    Approx.
    Connector Terminal
    B146 68 — 0 V
    61

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK REAR SIDE SPEAKER LH SIGNAL

  1. Connect Bose speaker amp. connector B146 and subwoofer connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B146.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B146 68 61 Audio signal output

Is the inspection result normal?

YES>>

Replace subwoofer. Refer to Removal and Installation.

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a71 Rear Luggage Right Woofer Out

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A71–13

Rear luggage right woofer out

(Subwoofer) 		[OPEN] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • BASS BOX2+ (terminal 69)

  • BASS BOX2− (terminal 73)
Threshold —
Diagnosis delay time 30 seconds or more
B1A71–1A [SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • BASS BOX2+ (terminal 69)

  • BASS BOX2− (terminal 73)
Threshold —
Diagnosis delay time 30 seconds or more
B1A71–11 [GND–SHORT] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • BASS BOX2+ (terminal 69)

  • BASS BOX2− (terminal 73)
Threshold —
Diagnosis delay time 30 seconds or more
B1A71–12 [VB–SHOR] Diagnosis condition Ignition switch ON.
Signal (terminal)

  • BASS BOX2+ (terminal 69)

  • BASS BOX2− (terminal 73)
Threshold —
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • BASS BOX2+ open, short, short to ground, short to voltage

  • BASS BOX2− open, short, short to ground, short to voltage

  • Subwoofer

  • Bose speaker amp.

FAIL-SAFE

Subwoofer 2 is inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A71 detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A71–11, 12, 13 or 1A detected?

YES>>

13 [OPEN], or 11 [GND–SHORT] – GO TO 2.

YES>>

1A [SHORT] – GO TO 3.

YES>>

12 [VB–SHOR] – GO TO 4.

NO>>

Refer to Intermittent Incident.

CHECK SOUND SIGNAL CIRCUITS FOR OPEN OR SHORT TO GROUND

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B147 and subwoofer connector.

  3. Check the continuity between Bose speaker amp. connector B147 and subwoofer connector B73.

    Bose speaker amp. Subwoofer Continuity
    Connector Terminal Connector Terminal
    B147 73 B73 3 Yes
    69 4

  4. Check the continuity between Bose speaker amp. connector B147 and ground.

    Bose speaker amp. Continuity
    Connector Terminal Ground
    B147 73 — No
    69

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUITS FOR SHORT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B147 and subwoofer connector.

  3. Check the continuity between the terminals of Bose speaker amp. connector B147.

    Bose speaker amp. Continuity
    Connector Terminal
    B147 73 69 No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK SOUND SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector B147 and subwoofer connector.

  3. Ignition switch ON.

  4. Check the voltage between Bose speaker amp. connector B147 and ground.

    Bose speaker amp. Ground

    Voltage

    Approx.
    Connector Terminal
    B147 73 — 0 V
    69

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness or connectors.

CHECK REAR SIDE SPEAKER LH SIGNAL

  1. Connect Bose speaker amp. connector B147 and subwoofer connector.

  2. Ignition switch ON.

  3. Push AV control unit POWER switch.

  4. Check signal between the terminals of Bose speaker amp. connector B147.

    Bose speaker amp. Condition Reference value
    Connector (+) (−)
    Terminal Terminal
    B147 73 69 Audio signal output

Is the inspection result normal?

YES>>

Replace subwoofer. Refer to Removal and Installation.

NO>>

Replace Bose speaker amp. Refer to Removal and Installation.

B1a80 Anc Unit

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B1A80-49

ANC UNIT

(Bose speaker amp.) 		Diagnosis condition Ignition switch ON
Signal (terminal) —
Threshold Bose speaker amp. malfunction
Diagnosis delay time 30 seconds or more
B1A80-4B Diagnosis condition Ignition switch ON
Signal (terminal) —
Threshold Bose speaker amp. temperature above 124 ℃ (255 ℉)
Diagnosis delay time 1 second or more
B1A80-55 Diagnosis condition Ignition switch ON
Signal (terminal) —
Threshold Bose speaker amp. configuration is incomplete
Diagnosis delay time 30 seconds or more

POSSIBLE CAUSE

  • Bose speaker amp. malfunction

  • Bose speaker amp. temperature is high

  • Bose speaker amp. configuration is incomplete

  • Bose speaker amp.

FAIL-SAFE

Bose speaker amp. is inoperative.

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A80 detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

DETERMINE MALFUNCTION TYPE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait 4 minutess.

  3. Ignition switch ON and wait at least 1 minute more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A80–49, 4B or 55 detected?

YES>>

55 – GO TO 2.

YES>>

4B – GO TO 3.

YES>>

49 – GO TO 4.

NO>>

Refer to Intermittent Incident.

PERFORM CONFIGURATION PROCEDURE

Perform configuration of Bose speaker amp. Refer to Work Procedure.

>>

GO TO 4.

CHECK BOSE SPEAKER AMP.

Visually check around Bose speaker amp. for a cause of high temperature.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Remove cause of high temperature.

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC B1A80–49, 4B or 55 detected?

YES>>

Replace Bose speaker amp. Refer to Removal and Installation.

NO>>

Inspection End.

U0079 Control Module Comm Bus G Off

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U0079–00

Control module comm bus G off

(Control module communication Bus G Off) 		[—] Diagnosis condition When ignition switch is ON.
Signal (terminal) CAN communication signal
Threshold Transmit or receive is abnormal
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

CAN communication does not function.

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC U0079–00 detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

CONSULT

  1. Ignition switch ON.

  2. Erase DTC.

  3. Perform DTC confirmation procedure again. Refer to Confirmation Procedure.

Is DTC detected again?

YES>>

Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.

NO>>

Inspection End.

U2140 Can Comm Err (ecm)

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U2140–87

CAN comm err (ECM)

(CAN communication signals) 		Diagnosis condition When ignition switch is ON.
Signal (terminal) CAN communication signals
Threshold When CAN signals cannot be received continuously for more than 2 seconds
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

  • CAN communication signals

  • Bose speaker amp.

FAIL-SAFE

All self-diagnosis functions are inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC U2140–87 detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC U2140–87 detected?

YES>>

Replace Bose speaker amp. Refer to Removal and Installation.

NO>>

Inspection End.

U2148 Can Comm Err (brake Control Unit)

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U2148–87

CAN comm err (brake control unit)

(CAN communication signals) 		Diagnosis condition When ignition switch is ON.
Signal (terminal) CAN communication signals
Threshold When CAN signals cannot be received continuously for more than 2 seconds
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

  • CAN communication signals

  • Bose speaker amp.

FAIL-SAFE

All self-diagnosis functions are inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC U2148–87 detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC U2148–87 detected?

YES>>

Replace Bose speaker amp. Refer to Removal and Installation.

NO>>

Inspection End.

U214e Can Comm Err (combination Meter)

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U214E–87

CAN comm err (combination meter)

(CAN communication signals) 		Diagnosis condition When ignition switch is ON.
Signal (terminal) CAN communication signals
Threshold When CAN signals cannot be received continuously for more than 2 seconds
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

  • CAN communication signals

  • Bose speaker amp.

FAIL-SAFE

All self-diagnosis functions are inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC U214E–87 detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC U214E–87 detected?

YES>>

Replace Bose speaker amp. Refer to Removal and Installation.

NO>>

Inspection End.

U214f Can Comm Err (bcm)

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U214F–87

CAN comm err (BCM)

(CAN communication signals) 		Diagnosis condition When ignition switch is ON.
Signal (terminal) CAN communication signals
Threshold When CAN signals cannot be received continuously for more than 2 seconds
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

  • CAN communication signals

  • Bose speaker amp.

FAIL-SAFE

All self-diagnosis functions are inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC U214F–87 detected?

YES>>

Proceed to DTC Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC U214F–87 detected?

YES>>

Replace Bose speaker amp. Refer to Removal and Installation.

NO>>

Inspection End.

U215b Can Comm Err (ipdm E/r)

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
U215B–87

CAN comm err (IPDM E/R)

(CAN communication signals) 		Diagnosis condition When ignition switch is ON.
Signal (terminal) CAN communication signals
Threshold When CAN signals cannot be received continuously for more than 2 seconds
Diagnosis delay time 2 seconds or more

POSSIBLE CAUSE

CAN communication signals

FAIL-SAFE

All self-diagnosis functions are inoperative

Confirmation Procedure

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

  1. Ignition switch ON.

  2. Ignition switch OFF and wait for 4 minutes.

  3. Ignition switch ON and wait at least 1 minute or more.

  4. Select “Self Diagnostic Result” mode of “Audio amp.”.

  5. Check DTC.

Is DTC U215B–87 detected?

YES>>

Proceed to Diagnosis Procedure.

NO>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO>>

Confirmation after repair: Inspection End.

Diagnosis Procedure

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

CONSULT

  1. Ignition switch ON.

  2. Erase DTC.

  3. Perform DTC confirmation procedure again. Refer to Confirmation Procedure.

Is DTC U215B–87 detected?

YES>>

Perform the trouble diagnosis for CAN communication system. Refer to Trouble Diagnosis Flow Chart.

NO>>

Inspection End.

Power Supply and Ground Circuit

Diagnosis Procedure

CHECK FUSE

Check that the following fuses are not blown:

Terminal No. Signal name Fuse No. Capacity
57 Battery power supply 28 (20A)
58
59 27 (10A)

Are the fuses blown?

YES>>

Replace the blown fuse after repairing the affected circuit.

NO>>

GO TO 2.

CHECK POWER SUPPLY CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect Bose speaker amp. connector.

  3. Check voltage between Bose speaker amp. connector and ground.

    Bose speaker amp. Ground Condition

    Voltage

    (Approx.)
    Connector Terminal
    B146 57 — Ignition switch: OFF Battery voltage
    58
    59

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace harness or connectors.

CHECK GROUND CIRCUIT

Check continuity between Bose speaker amp. connector and ground.

Bose speaker amp. Ground Continuity
Connector Terminal
B146 62 — Yes
63
64

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Repair or replace harness or connectors.

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Nissan Pathfinder (R53) 2022-2025 Service Manual

Dtc/circuit Diagnosis

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