Nissan Pathfinder: Power Outlet - Dtc/circuit Diagnosis

• B1b00-08 Can Communication
• B1b02-1d Wireless Charger Unit
• B1b03-49 Wireless Charger Unit
• B1b05-09 Wireless Charger Unit
• Power Supply and Ground Circuit

B1b00-08 Can Communication Nissan Pathfinder

DTC Description

DTC DETECTION LOGIC

DTC	CONSULT screen terms (Trouble diagnosis contents)	DTC detection condition
B1B00-08	CAN COMMUNICATION (CAN communication)	Diagnosis condition	When ignition switch is ON
		Signal (terminal)	CAN communication signal
		Threshold	Signal transmission error or reception error
		Diagnosis delay time	1 second or more

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

Wireless charger unit does not work

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Ignition switch ON.

2. Select "Self Diagnostic Result" mode of "Wireless charger".

3. Check DTC.

Is DTC "B1B00‐08" detected?

YES>>

Refer 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. DTC confirmation procedure again. Refer to DTC Description.

Is DTC "B1B00‐08" detected again?

YES>>

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

NO>>

Inspection End.

B1b02-1d Wireless Charger Unit Nissan Pathfinder

DTC Description

DTC DETECTION LOGIC

DTC	CONSULT screen terms (Trouble diagnosis contents)	DTC detection condition
B1B02-1D	Wireless charger unit (Wireless charger unit)	Diagnosis condition	When ignition switch is ON
		Signal (terminal)	Ignition power supply voltage (terminal#1)
		Threshold	When the input power calculated internally is 35 W or more
		Diagnosis delay time	1 second or more

POSSIBLE CAUSE

• Ignition power supply circuit malfunction.

• Wireless charger unit malfunction

FAIL-SAFE

Wireless charger unit does not work

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Ignition switch ON.

2. Select "Self Diagnostic Result" mode of "Wireless charger".

3. Check DTC.

Is DTC "B1B02‐1D" detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

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

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK WIRELESS CHARGER UNIT POWER SUPPLY CIRCUIT

Check wireless charger unit power supply circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

Replace wireless charger unit. Refer to Removal and Installation.

NO>>

Repair or replace malfunctioning parts.

B1b03-49 Wireless Charger Unit Nissan Pathfinder R53

DTC Description

DTC DETECTION LOGIC

DTC	CONSULT screen terms (Trouble diagnosis contents)	DTC detection condition
B1B03-49	Wireless charger unit (Wireless charger unit)	1	Diagnosis condition	When ignition switch is ON
			Signal (terminal)	-
			Threshold	Internal malfunction
			Diagnosis delay time	1 second or more
		2	Diagnosis condition	When ignition switch is ON
			Signal (terminal)	-
			Threshold	Internal malfunction
			Diagnosis delay time	3.2 seconds or more

POSSIBLE CAUSE

Wireless charger unit malfunction.

FAIL-SAFE

Wireless charger unit does not work

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Ignition switch ON.

2. Select "Self Diagnostic Result" mode of "Wireless charger".

3. Check DTC.

Is DTC "B1B03‐49" detected?

YES>>

Refer 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 DTC Description.

Is DTC "B1B03-49" detected again?

YES>>

Replace wireless charger unit. Refer to Removal and Installation.

NO>>

Inspection End.

B1b05-09 Wireless Charger Unit Nissan Pathfinder 2025

DTC Description

DTC DETECTION LOGIC

DTC	CONSULT screen terms (Trouble diagnosis contents)	DTC detection condition
B1B05-09	Wireless charger unit (Wireless charger unit)	1	Diagnosis condition	When ignition switch is ON
			Signal (terminal)	Wireless charger indicator signal
			Threshold	Green and Orange LED is not controlled
			Diagnosis delay time	At system startup
		2	Diagnosis condition	When ignition switch is ON
			Signal (terminal)	Wireless charger indicator signal
			Threshold	Green and Orange LED is not controlled
			Diagnosis delay time	At system startup

POSSIBLE CAUSE

• Wireless charger indicator circuit open or short

• Wireless charger indicator malfunction

• Wireless charger unit malfunction

FAIL-SAFE

Wireless charger unit does not work

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

CONSULT

1. Ignition switch ON.

2. Select "Self Diagnostic Result" mode of "Wireless charger".

3. Check DTC.

Is DTC "B1B05‐09" detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO>>

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

NO>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK HARNESS BETWEEN WIRELESS CHARGER UNIT AND WIRELESS CHARGER INDICATOR

CONSULT

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair the harnesses or connectors.

CHECK HARNESS BETWEEN WIRELESS CHARGER UNIT AND WIRELESS CHARGER INDICATOR

Check for continuity between the wireless charger indicator harness connector and wireless charger unit harness connector.

Wireless charger indicator		Wireless charger unit		Continuity
Connector	Terminal	Connector	Terminal
M135	4	M216	5	Yes

Is the inspection result normal?

YES>>

GO TO 3.

GO TO 3.

NO>>

Repair the harnesses or connectors.

Repair the harnesses or connectors.

CHECK WIRELESS CHARGER INDICATOR GROUND CIRCUIT

Check for continuity between the wireless charger indicator harness connector and ground.

Wireless charger indicator		(–)	Continuity
Connector	Terminal
M135	4	Ground	No

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair the harnesses or connectors.

REPLACE WIRELESS CHARGER INDICATOR

1. Replace wireless charger indicator.

2. Ignition switch ON.

3. Erase DTC.

4. Perform DTC confirmation procedure again. Refer to DTC Description.

Is DTC B1B05-09 detected again?

YES>>

Replace wireless charger unit. Refer to Removal and Installation.

NO>>

Inspection End.

Power Supply and Ground Circuit Nissan Pathfinder

Wireless Charger Unit

Diagnosis Procedure

CHECK FUSE

Check for blown:

Power source	Fuse No.	Capacity
Ignition switch ON or START	4	10 A

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Replace the blown fuse after repairing the affected circuit.

CHECK IGNITION POWER SUPPLY CIRCUIT

1. Ignition switch ON.

2. Check voltage between wireless charger unit harness connector and ground.

   (+)		(-)	Standard	Reference value
   Wireless charger unit
   Connector	Terminal
   M216	1	Ground	9.0 - 16.0 V	Battery voltage

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace wireless charger unit power supply harness.

CHECK GROUND CIRCUIT

1. Ignition switch OFF.

2. Disconnect wireless charger unit connector.

3. Check continuity between wireless charger unit harness connector and ground.

   Wireless charger unit		—	Continuity
   Connector	Terminal
   M216	4	Ground	Yes

Is the inspection result normal?

YES>>

Inspection End.

NO>>

Repair or replace wireless charger unit ground harness.