Nissan Pathfinder: Dtc/circuit Diagnosis (C1078-55 Not Configuration ... C10b3 Parking Brake Control Module)

Nissan Pathfinder (R53) 2022-2025 Service Manual / Brakes :: Brake Control System / Vdc/tcs/abs :: Dtc/circuit Diagnosis / Vdc/tcs/abs / Dtc/circuit Diagnosis (C1078-55 Not Configuration ... C10b3 Parking Brake Control Module)

C1078-55 Not Configuration
C1082-86 Can Comm Err (tcm)
C1083 Steering Angle Sensor
C1085-86 Combination Meter
C10aa-63 Pump Motor
C10ac-54 Calibration Incomplete
C10af-01 Pressure Sensor
C10b1 Parking Brake Actuator (lh)
C10b2 Parking Brake Switch
C10b3 Parking Brake Control Module

C1078-55 Not Configuration Nissan Pathfinder SUV

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C1078–55	Not configuration (Not configuration)	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
		Signal (terminal)	-
		Threshold	When configuration is not complete.
		Diagnosis delay time	1 second or less

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC	CRNT DTC
Configuration is not complete	Configuration is not complete ABS actuator and electric unit (control unit)

FAIL-SAFE

Normal control

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

Ignition switch OFF (Auto ACC function OFF) → ON → OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after start the engine.
Perform self-diagnosis for “ABS”.

Is DTC “C1078-55” detected?

YES>>

“CRNT” is displayed: Refer to Diagnosis Procedure.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

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

NO>>

Confirmation after repair: Inspection End

Diagnosis Procedure

PROGRAMMING OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Perform programming of ABS actuator and electric unit (control unit). Refer to Work Procedure.

CAUTION:

Do not replace the ABS actuator and electric unit (control unit) until self-diagnosis has been completed.

GO TO 2.

CHECK SELF-DIAGNOSIS

CONSULT

Replace the ABS actuator and electric unit (control unit) even if other DTCs are displayed along with “C1078-55” in self-diagnosis for “ABS”.

Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.

C1082-86 Can Comm Err (tcm) Nissan Pathfinder 2025

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C1082–86	CAN comm err (TCM) [Controller area network communication error (transmission control module)]	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
		Signal (terminal)	CAN communication signal
		Threshold	When a malfunction is detected in TCM system.
		Diagnosis delay time	2 seconds or less

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC	CRNT DTC
Harness or connector CAN communication line ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12 V battery	Harness or connector CAN communication line TCM ABS actuator and electric unit (control unit) ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12 V battery

FAIL-SAFE

The following functions are suspended:

VDC function
TCS function
Active brake limited slip (ABLS) function
Brake assist function
Brake force distribution function
Hill start assist function

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

Ignition switch OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after start the engine.
Perform self-diagnosis for “ABS”.

Is DTC “C1082-86” detected?

YES>>

“CRNT” is displayed: Refer to Diagnosis Procedure.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

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

NO>>

Confirmation after repair: Inspection End

Diagnosis Procedure

CHECK TCM SYSTEM

CONSULT

Perform self-diagnosis for “TRANSMISSION”

Is DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

GO TO 2.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

Check the ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair / replace harness, connector, terminal, fuse, or fusible link.

CHECK CONNECTOR AND TERMINAL

Disconnect 12V battery negative terminal.
Disconnect TCM harness connector.
Disconnect ABS actuator and electric unit (control unit) harness connector.
Check the connector for disconnection or looseness.
Check the terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair / replace harness, connector, or terminal, securely lock the connector. GO TO 4.

PERFORM SELF-DIAGNOSIS

CONSULT

Connect TCM harness connector.
Connect ABS actuator and electric unit (control unit) harness connector.
Connect 12V battery negative terminal.
Erase self-diagnosis result for “ABS”.
Ignition switch OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after start the engine.
Perform self-diagnosis for “ABS”.

Is DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

Inspection End

C1083 Steering Angle Sensor Nissan Pathfinder 2022

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C1083–86	Steering angle sensor (Steering angle sensor)	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
		Signal (terminal)	CAN communication signal
		Threshold	When a malfunction is detected in steering angle sensor system.
		Diagnosis delay time	2 seconds or less

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC	CRNT DTC
Harness or connector CAN communication line ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12 V battery	Harness or connector CAN communication line Steering angle sensor ABS actuator and electric unit (control unit) ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12 V battery

FAIL-SAFE

The following functions are suspended:

VDC function
TCS function
Active brake limited slip (ABLS) function
Brake assist function
Brake force distribution function
Hill start assist function

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

Ignition switch OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after start the engine.
Perform self-diagnosis for “ABS”.

Is DTC “C1083-86” detected?

YES>>

“CRNT” is displayed: Refer to Diagnosis Procedure.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

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

NO>>

Confirmation after repair: Inspection End

Diagnosis Procedure

CHECK STEERING ANGLE SENSOR SYSTEM

CONSULT

Perform self-diagnosis for “ABS”.

Is DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

GO TO 2.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

Check the ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair / replace harness, connector, terminal, fuse, or fusible link.

CHECK CONNECTOR AND TERMINAL

Disconnect 12V battery negative terminal.
Disconnect steering angle sensor harness connector.
Disconnect ABS actuator and electric unit (control unit) harness connector.
Check the connector for disconnection or looseness.
Check the terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair / replace harness, connector, or terminal, securely lock the connector. GO TO 3.

PERFORM SELF-DIAGNOSIS

CONSULT

Connect steering angle sensor harness connector.
Connect ABS actuator and electric unit (control unit) harness connector.
Connect 12V battery negative terminal.
Erase self-diagnosis result for “ABS”.
Ignition switch OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after start the engine.
Perform self-diagnosis for “ABS”.

Is DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

Inspection End

C1085-86 Combination Meter Nissan Pathfinder R53

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C1085–86	Combination meter (Combination meter)	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
		Signal (terminal)	CAN communication signal
		Threshold	When a malfunction is detected in combination meter system.
		Diagnosis delay time	2 seconds or less

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC	CRNT DTC
Harness or connector CAN communication line ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12 V battery	Harness or connector CAN communication line Combination meter ABS actuator and electric unit (control unit) ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12 V battery

FAIL-SAFE

The following functions are suspended:

VDC function
TCS function
Active brake limited slip (ABLS) function
Brake assist function
Brake force distribution function
Hill start assist function

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

Ignition switch OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after start the engine.
Perform self-diagnosis for “ABS”.

Is DTC “C1085-86” detected?

YES>>

“CRNT” is displayed: Refer to Diagnosis Procedure.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

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

NO>>

Confirmation after repair: Inspection End

Diagnosis Procedure

CHECK COMBINATION METER SYSTEM

CONSULT

Perform self-diagnosis for “METER/M&A”.

Is DTC detected?

YES>>

Check the DTC.

7 inch information display: Refer to DTC Index.

NO>>

GO TO 2.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

Check the ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair / replace harness, connector, terminal, fuse, or fusible link.

CHECK CONNECTOR AND TERMINAL

Disconnect 12V battery negative terminal.
Disconnect combination meter harness connector.
Disconnect ABS actuator and electric unit (control unit) harness connector.
Check the connector for disconnection or looseness.
Check the terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair / replace harness, connector, or terminal, securely lock the connector. GO TO 4.

PERFORM SELF-DIAGNOSIS

CONSULT

Connect combination meter harness connector.
Connect ABS actuator and electric unit (control unit) harness connector.
Connect 12V battery negative terminal.
Erase self-diagnosis result for “ABS”.
Ignition switch OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after start the engine.
Perform self-diagnosis for “ABS”.

Is DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

Inspection End

C10aa-63 Pump Motor Nissan Pathfinder

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C10AA-63	Pump motor (Pump motor)	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
		Signal (terminal)	-
		Threshold	When a malfunction is detected in motor or motor relay.
		Diagnosis delay time	12 seconds or less

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC	CRNT DTC
Harness or connector ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12 V battery	Harness or connector ABS actuator and electric unit (control unit) ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12 V battery

FAIL-SAFE

Normal control

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

Ignition switch OFF (Auto ACC function OFF) to ON, and wait 30 seconds.
Drive the Nissan Pathfinder vehicle at approximately 31 MPH (50 km/h) or more for approximately 2 minutes.
Stop the vehicle.
Ignition switch OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after start the engine.
Perform self-diagnosis for “ABS”.

Is DTC “C10AA-63” detected?

YES>>

“CRNT” is displayed: Refer to Diagnosis Procedure.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

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

NO>>

Confirmation after repair: Inspection End

Diagnosis Procedure

CHECK CONNECTOR

Disconnect 12 V battery negative terminal.
Check the ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair / replace harness or connector, securely lock the connector. GO TO 2.

PERFORM SELF-DIAGNOSIS

CONSULT

Connect 12 V battery negative terminal, and wait 30 seconds.
Drive the Nissan Pathfinder vehicle at approximately 31 MPH (50 km/h) or more for approximately 2 minutes.

NOTE:
Nissan Pathfinder Vehicle must be driven after repair or replacement to erase the previous DTCs.
Stop the Nissan Pathfinder vehicle.
Ignition switch OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after start the engine.
Perform self-diagnosis for “ABS”.

Is DTC “C10AA-63” detected?

YES>>

GO TO 3.

NO>>

Inspection End

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

Check the ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair / replace harness, connector, terminal, fuse, or fusible link. GO TO 4.

ERASE SELF-DIAGNOSIS RESULT (1)

CONSULT

Drive the Nissan Pathfinder vehicle at approximately 31 MPH (50 km/h) or more for approximately 2 minutes.

NOTE:
Nissan Pathfinder Vehicle must be driven after repair or replacement to erase the previous DTCs.
Stop the Nissan Pathfinder vehicle.
Erase self-diagnosis result for “ABS”.
Ignition switch OFF (Auto ACC function OFF) → ON → OFF (Auto ACC function OFF).

Inspection End

CHECK TERMINAL

Disconnect 12 V battery negative terminal.
Check the ABS actuator and electric unit (control unit) terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.

NO>>

Repair / replace harness or connector. GO TO 6.

ERASE SELF-DIAGNOSIS RESULT (2)

CONSULT

Connect 12 V battery negative terminal.
Drive the Nissan Pathfinder vehicle at approximately 31 MPH (50 km/h) or more for approximately 2 minutes.

NOTE:
Nissan Pathfinder Vehicle must be driven after repair or replacement to erase the previous DTCs.
Stop the Nissan Pathfinder vehicle.
Erase self-diagnosis result for “ABS”.
Ignition switch OFF (Auto ACC function OFF) → ON → OFF (Auto ACC function OFF).

Inspection End

C10ac-54 Calibration Incomplete Nissan Pathfinder Fifth generation

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C10AC-54	Calibration incomplete (Calibration incomplete)	Diagnosis condition	When ignition switch is ON. When the power supply voltage is normal.
		Signal (terminal)	-
		Threshold	When calibration of yaw rate/side/decel G sensor is not complete.
		Diagnosis delay time	2 seconds or less

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear the DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC	CRNT DTC
Incomplete calibration of G sensor/yaw rate sensor	Incomplete calibration of G sensor/yaw rate sensor ABS actuator and electric unit (control unit)

FAIL-SAFE

The following functions are suspended:

VDC function
TCS function
Active brake limited slip (ABLS) function
Brake assist function
Brake force distribution function
Hill start assist function

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

Ignition switch OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after starting the engine.
Perform self-diagnosis for “ABS”.

Is DTC “C10AC-54” detected?

YES>>

“CRNT” is displayed: Refer to Diagnosis Procedure.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

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

NO>>

Confirmation after repair: Inspection End

Diagnosis Procedure

CALIBRATION OF DECEL G SENSOR

Perform calibration of decel G sensor. Refer to Work Procedure.

GO TO 2.

CALIBRATION OF SIDE G SENSOR

Perform calibration of side G sensor. Refer to Work Procedure.

GO TO 3.

PERFORM SELF-DIAGNOSIS

CONSULT

Ignition switch OFF (Auto ACC function OFF) → ON → OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after starting the engine.
Perform self-diagnosis for “ABS”.

Is DTC “C10AC-54” detected?

YES>>

Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.

NO>>

Inspection End

C10af-01 Pressure Sensor Nissan Pathfinder

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C10AF-01	Pressure sensor (Pressure sensor)	Diagnosis condition	During driving below 9.4 MPH (15 km/h) (no braking) When the power supply voltage is normal.
		Signal (terminal)	Pressure sensor signal
		Threshold	When a malfunction is detected in pressure sensor.
		Diagnosis delay time	1 second or less

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC	CRNT DTC
Harness or connector Stop lamp switch system ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12 V battery	Harness or connector Stop lamp switch system ABS actuator and electric unit (control unit) ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12 V battery

FAIL-SAFE

Normal control

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

Ignition switch OFF (Auto switch OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after start the engine.
Perform self-diagnosis for “ABS”.

Is DTC “C10AF-01” detected?

YES>>

“CRNT” is displayed: Refer to Diagnosis Procedure.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

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

NO>>

Confirmation after repair: Inspection End

Diagnosis Procedure

STOP LAMP SWITCH SYSTEM

Check the stop lamp switch system. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace stop lamp switch system.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

Check the ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair / replace harness, connector, terminal, fuse, or fusible link.

PERFORM SELF-DIAGNOSIS

CONSULT

Erase self-diagnosis result for “ABS”.
Ignition switch OFF (Auto ACC function OFF).
Start the engine.

NOTE:
Wait at least 10 seconds after start the engine.
Start the engine and drive the Nissan Pathfinder vehicle for a short period of time.

NOTE:
Vehicle must be driven after repair or replacement to erase the previous DTCs.
Stop the Nissan Pathfinder vehicle.
Perform self-diagnosis for “ABS”.

Is DTC “C10AF-01” detected?

YES>>

Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.

NO>>

Check the ABS actuator and electric unit (control unit) harness connector and terminal for damage, looseness and disconnection. Repair / replace harness, connector, or terminal.

C10b1 Parking Brake Actuator (lh) Nissan Pathfinder 2025

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C10B1–01	Parking brake actuator (LH) [Parking brake actuator (left)]	Diagnosis condition	When parking brake is apply or release
		Signal (terminal)	—
		Threshold	When an open circuit is detected in circuit motor of parking brake actuator (LH).
		Diagnosis delay time	1 second or less
C10B1–09	Parking brake actuator (LH) [Parking brake actuator (left)]	Diagnosis condition	When parking brake is apply or release
		Signal (terminal)	—
		Threshold	When a motor of the parking brake actuator (RH) is not rotating.
		Diagnosis delay time	1 second or less

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC	CRNT DTC
Harness or connector Parking brake actuator (LH) Rear brake caliper assembly (LH) ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12V battery	Harness or connector Parking brake actuator (LH) Rear brake caliper assembly (LH) ABS actuator and electric unit (control unit) ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12V battery

FAIL-SAFE

The following functions are suspended:

Electric parking brake function

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

Ignition switch OFF (Auto ACC function OFF) to ON.
Push the parking brake switch.

CAUTION:
Pull the parking brake switch.
Perform self-diagnosis for “ABS”.

Is DTC “C10B1” detected?

YES>>

"C1B1-01" only is displayed by "CRNT": Refer to DTC Diagnosis Procedure.

YES>>

"C10B1-01" and "C10B1-09" are displayed by "CRNT": Refer to DTC Diagnosis Procedure.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

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

NO>>

Confirmation after repair: Inspection End

Diagnosis Procedure

CHECK CONNECTOR

Disconnect 12 V battery negative terminal.
Check the parking brake actuator (LH) harness connector for disconnection or looseness.
Check the ABS actuator and electric unit (control unit) harness connector for disconnection or looseness.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair / replace harness or connector. GO TO 2.

CHECK PARKING BRAKE ACTUATOR CIRCUIT (1)

Disconnect the ABS actuator and electric unit (control unit) harness connector.
Check the continuity between ABS actuator and electric unit (control unit) harness connector terminals.

ABS actuator and electric unit (control unit) Continuity

Connector Terminals

E125 13 12 Yes

ABS actuator and electric unit (control unit)	Continuity
E125	13	12	Yes

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

GO TO 3.

CHECK PARKING BRAKE ACTUATOR CIRCUIT (2)

Check the continuity between parking brake actuator (LH) harness connector terminals.

Terminals		Continuity
1	2	Yes

Is the inspection result normal?

YES>>

Repair/replace harness or connector.

NO>>

Replace the rear brake caliper assembly (LH). Refer to Removal and Installation.

CHECK MOTOR POWER SUPPLY

Connect 12V battery negative terminal.
Check the voltage between ABS actuator and electric unit (control unit) harness connector and ground.
(+) (–) Voltage

ABS actuator and electric unit (control unit)

Connector Terminal

E125 1 Ground Approx. 10 − 16 V

(+)	(–)	Voltage
E125	1	Ground	Approx. 10 − 16 V

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

GO TO 5.

CHECK MOTOR POWER SUPPLY CIRCUIT

Disconnect 12 V battery negative terminal.
Check the 60 A fuse (C).
Check the continuity and short circuit between ABS actuator and electric unit (control unit) harness connector terminal (1) and 60 A fuse (C).

Is the inspection result normal?

YES>>

Perform trouble diagnosis for 12 V battery power supply.

NO>>

Repair/replace harness, connector or fuse.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT

Disconnect 12 V battery negative terminal.
Check the continuity between ABS actuator and electric unit (control unit) harness connector and ground.

ABS actuator and electric unit (control unit) (–) Continuity

Connector Terminal

E125 46 Ground Yes

14

ABS actuator and electric unit (control unit)	(–)	Continuity
E125	46	Ground	Yes
14

Is the inspection result normal?

YES>>

GO TO 7.

NO>>

Repair / replace harness or connector. GO TO 7.

CHECK TERMINAL

Check parking brake actuator (LH) terminals for damage or loose connection with harness connector.
Check ABS actuator and electric unit (control unit) terminals for damage or loose connection with harness connector.

the inspection result normal?

YES>>

GO TO 8.

NO>>

Repair/replace harness, connector or terminal. GO TO 8.

PERFORM SELF-DIAGNOSIS

CONSULT

Connect the parking brake actuator (LH) harness connector.
Connect the ABS actuator and electric unit (control unit) harness connector.
Connect 12 V battery negative terminal.
Ignition switch ON.
Apply and release the parking brake five times.
Perform self-diagnosis for “ABS”.

Is DTC “C10B1-01” detected?

YES>>

"CRNT" is displayed: Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.

YES>>

"PAST" is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

Inspection End

C10b2 Parking Brake Switch Nissan Pathfinder Fifth generation

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C10B2–01	Parking brake switch (Parking brake switch)	Diagnosis condition	When ignition switch is ON
		Signal (terminal)	Paring brake switch
		Threshold	When a malfunctioning in the parking brake switch circuit.
		Diagnosis delay time	1 second or less
C10B2–64	Parking brake switch (Parking brake switch)	Diagnosis condition	When ignition switch is ON
		Signal (terminal)	Paring brake switch
		Threshold	When a malfunctioning in the parking brake switch circuit.
		Diagnosis delay time	1 second or less

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC	CRNT DTC
Harness or connector Parking brake switch ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12V battery	Harness or connector Parking brake switch ABS actuator and electric unit (control unit) ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12V battery

FAIL-SAFE

The following functions are suspended.

Electric parking brake function

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

Ignition switch OFF (Auto ACC function OFF) to ON.
Push the parking brake switch.

CAUTION:
Pull the parking brake switch.
Perform self-diagnosis for “ABS”.

Is DTC “C10B2” detected?

YES>>

“CRNT” is displayed: Refer to DTC Diagnosis Procedure.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

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

NO>>

Confirmation after repair: Inspection End

Diagnosis Procedure

CHECK DATA MONITOR

CONSULT

Ignition switch ON.

CAUTION:
Be sure wait of 10 seconds after ignition switch ON.
Select “ABS”, “Data Monitor” and “PB SW” according to this order. Check that data monitor displays when parking brake switch is pull, neutral or push. Refer to Reference Value.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

GO TO 2.

CHECK CONNECTOR

Disconnect 12 V battery negative terminal.
Check the parking brake switch harness connector for disconnection or looseness.
Check ABS actuator and electric unit (control unit) terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair/replace harness or connector. GO TO 3.

CHECK PARKING BRAKE SWITCH CIRCUIT

Disconnect the parking brake switch harness connector.
Disconnect the ABS actuator and electric unit (control unit) harness connector.
Check the continuity between ABS actuator and electric unit (control unit) harness connector and parking brake switch harness connector.
ABS actuator and electric unit (control unit) Parking brake switch Continuity

Connector Terminal Connector Terminal

E125 34 M210 9 Yes

31 7

16 6

32 5

15 3
Check the continuity between ABS actuator and electric unit (control unit) harness connector and ground.
ABS actuator and electric unit (control unit) (–) Continuity

Connector Terminal

E125 34 Ground No

31

16

32

15

ABS actuator and electric unit (control unit)	Parking brake switch	Continuity
E125	34	M210	9	Yes
31	7
16	6
32	5
15	3

ABS actuator and electric unit (control unit)	(–)	Continuity
E125	34	Ground	No
31
16
32
15

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair/replace harness or connector. GO TO 4.

CHECK PARKING BRAKE SWITCH

Check the parking brake switch. Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Replace the parking brake switch. Refer to Removal and Installation.

CHECK TERMINAL

Check parking brake switch terminals for damage or loose connection with harness connector.
Check ABS actuator and electric unit (control unit) terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair/replace harness, connector, or terminal. GO TO 6.

PERFORM SELF-DIAGNOSIS

With CONSULT

Connect the parking brake switch harness connector.
Connect the ABS actuator and electric unit (control unit) harness connector.
Connect 12 V battery negative terminal.
Ignition switch ON.
Apply and release the parking brake five times.
Perform self-diagnosis for “ABS”.

Is DTC “C10B2-01” detected?

YES>>

"CRNT" is displayed: Replace the ABS actuator and electric unit (control unit). Refer to Removal and Installation.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

Inspection End

Component Inspection

CHECK PARKING BRAKE SWITCH

Disconnect 12V battery negative terminal.
Disconnect the parking brake switch harness connector.

Check the continuity when parking brake switch is operated.

Condition	Terminals		Continuity
When parking brake switch is neutral	3	5	Yes
	6	7	Yes
	3	6	No
	5	7	No
When parking brake switch is pull	3	5	Yes
	5	7	Yes
	3	6	No
	6	7	No
When parking brake switch is push	3	6	Yes
	6	7	Yes
	3	5	No
	5	7	No

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Replace the parking brake switch. Refer to Removal and Installation.

CHECK PARKING BRAKE SWITCH INDICATOR

Apply 12 V between parking brake switch connector terminals, and check the parking brake switch indicator lamp.

CAUTION:

Connect fuse between terminals when applying the voltage.

Never make the terminals short.

Parking brake switch		Condition	Parking brake switch indicator
Terminal
(+)	(–)
2	9	Apply 12 V between parking brake switch connector terminals (2 and 9).	ON

Is the inspection result normal?

YES>>

Inspection End

NO>>

Replace the parking brake switch. Refer to Removal and Installation.

C10b3 Parking Brake Control Module Nissan Pathfinder 2025

DTC Description

DTC DETECTION LOGIC

DTC No.	CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C10B3–44	Parking brake control module (Parking brake control module)	Diagnosis condition	When power switch is ON
		Signal (terminal)	—
		Threshold	When an internal malfunctioning in the ABS actuator and electric unit (control unit).
		Diagnosis delay time	1 second or less
C10B3–49	Parking brake control module (Parking brake control module)	Diagnosis condition	When power switch is ON
		Signal (terminal)	—
		Threshold	When an internal malfunctioning in the ABS actuator and electric unit (control unit).
		Diagnosis delay time	1 second or less
C10B3–53	Parking brake control module (Parking brake control module)	Diagnosis condition	When power switch is ON
		Signal (terminal)	—
		Threshold	When an internal malfunctioning in the ABS actuator and electric unit (control unit).
		Diagnosis delay time	1 second or less
C10B3–55	Parking brake control module (Parking brake control module)	Diagnosis condition	When power switch is ON
		Signal (terminal)	—
		Threshold	When an internal malfunctioning in the ABS actuator and electric unit (control unit).
		Diagnosis delay time	1 second or less
C10B3–68	Parking brake control module (Parking brake control module)	Diagnosis condition	When power switch is ON
		Signal (terminal)	—
		Threshold	When an internal malfunctioning in the ABS actuator and electric unit (control unit).
		Diagnosis delay time	1 second or less
C10B3–98	Parking brake control module (Parking brake control module)	Diagnosis condition	When power switch is ON
		Signal (terminal)	—
		Threshold	When an internal malfunctioning in the ABS actuator and electric unit (control unit).
		Diagnosis delay time	1 second or less

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

PAST DTC	CRNT DTC
Harness or connector Parking brake actuator Rear brake caliper assembly ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12V battery	Harness or connector Parking brake actuator Rear brake caliper assembly ABS actuator and electric unit (control unit) ABS actuator and electric unit (control unit) power supply system Fuse Fusible link 12V battery

FAIL-SAFE

The following functions are suspended:

Electric parking brake function

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF (Auto ACC function OFF) before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

Ignition switch OFF (Auto ACC function OFF) to ON.
Push the parking brake switch.

CAUTION:
Pull the parking brake switch.
Perform self-diagnosis for “ABS”.

Is DTC “C10B3” detected?

YES>>

“CRNT” is displayed: Refer to DTC Diagnosis Procedure.

YES>>

“PAST” is displayed: Inspection End (Erase the memory of self-diagnosis results.)

NO>>

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

NO>>

Confirmation after repair: Inspection End

Diagnosis Procedure

PERFORM SELF-DIAGNOSIS

CONSULT

Ignition switch OFF (Auto ACC function OFF).
Ignition switch ON.
Operate parking brake switch (apply/release) five times.
Ignition switch OFF (Auto ACC function OFF).
Ignition switch ON.

CAUTION:
Be sure wait of 10 seconds after ignition switch ON.
Perform self-diagnosis for “ABS”.