Nissan Pathfinder: Driver Assistance System - Dtc/circuit Diagnosis

• C1b80-54 Control Module
• C1b8f-82 Ipdm E/r System
• U0076-00 Can Comm Circuit
• U1327-52 Mac Key
• U1327-54 Mac Key
• U2140-57 Mac Comm Error (ecm)
• U2140-83 Can Comm Circuit
• Power Supply and Ground Circuit

C1b80-54 Control Module Nissan Pathfinder 2022

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C1B80	54	Calibration not completed (Calibration not completed)	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	-
			Threshold	When calibration is not complete.
			Diagnosis delay time	1 second or less

POSSIBLE CAUSE

• Incomplete programing of chassis control module

• Chassis control module

FAIL-SAFE

The following functions are suspended.

• Intelligent trace control function

• Active ride control function

• Automatic brake hold function

• Drive mode selector function

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 10 seconds before conducting the next test.

>>

GO TO 2.

CHECK DTC DETECTION

With CONSULT

1. Ignition switch OFF to ON.

   CAUTION:

   Be sure to wait of 10 seconds after ignition switch OFF or ON.

2. Perform self-diagnosis for “CHASSIS CONTROL”.

Is DTC “C1B80-54” detected?

YES>>

Refer to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

PERFORM SELF-DIAGNOSIS

With CONSULT

1. Erase self-diagnosis result for “CHASSIS CONTROL”.

2. Ignition switch OFF and wait for 10 seconds or more.

3. Ignition switch ON.

4. Perform self-diagnosis for “CHASSIS CONTROL”.

Is DTC “C1B80-54” detected?

YES>>

Perform programing. Refer to Description.

NO>>

INSPECTION END

C1b8f-82 Ipdm E/r System Nissan Pathfinder 5th Gen

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
C1B8F	82	IPDM E/R COMM (Intelligent power distribution module engine room communication)	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	CAN communication signal
			Threshold	IPDM E/R is malfunctioning.
			Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

IPDM E/R

FAIL-SAFE

The following functions are suspended.

Automatic brake hold function

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 10 seconds before conducting the next test.

>>

GO TO 2.

CHECK DTC DETECTION

With CONSULT

1. Ignition switch OFF to ON.

   CAUTION:

   Be sure to wait of 10 seconds after ignition switch OFF or ON.

2. Perform self-diagnosis for “CHASSIS CONTROL”.

Is DTC “C1B8F-82” detected?

YES-1>>

"CRNT" is displayed: Refer to Diagnosis Procedure.

YES-2>>

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

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK IPDM E/R SYSTEM

With CONSULT

Perform self-diagnosis for “IPDM E/R”.

Is DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

GO TO 2.

ERASE SELF-DIAGNOSIS RESULT

With CONSULT

1. Erase self-diagnosis result for “CHASSIS CONTROL”.

2. Ignition switch OFF and wait for 10 seconds or more.

>>

INSPECTION END

U0076-00 Can Comm Circuit Nissan Pathfinder R53

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
U0076	00	Control module comm Bus D Off (Control module comm Bus D Off)	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	CAN communication signal
			Threshold	Not transmitting.
			Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

CAN communication system

FAIL-SAFE

The following functions are suspended.^*

• Intelligent trace control function

• Active ride control function

• Automatic brake hold function

• Drive mode selector function

*: Depends on the DTC detection status

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 10 seconds before conducting the next test.

>>

GO TO 2.

CHECK DTC DETECTION

With CONSULT

1. Ignition switch OFF to ON.

   CAUTION:

   Be sure to wait of 10 seconds after ignition switch OFF or ON.

2. Perform self-diagnosis for “CHASSIS CONTROL”.

Is DTC “U0076-00” detected?

YES>>

Refer to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

DiagnosisProcedure

Proceed to Trouble Diagnosis Flow Chart.

U1327-52 Mac Key Nissan Pathfinder Fifth generation

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
U1327	52	MAC key update (Message Authentication Code key update)	Diagnosis condition	—
			Signal (terminal)	—
			Threshold	MAC key writing is incomplete.
			Diagnosis delay time	—

POSSIBLE CAUSE

• Network communication error between CONSULT and chassis control module

• Chassis control module used in other Nissan Pathfinder vehicles is installed in the vehicle

• Chassis control module

FAIL-SAFE

The following functions are suspended.^*

• Intelligent trace control function

• Active ride control function

• Automatic brake hold function

• Drive mode selector function

*: Depends on the DTC detection status

DTC CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC U1327-52 is displayed with DTC U1327-54, first perform the trouble diagnosis for DTC U1327-54.

Is DTC U1327-54 detected?

YES>>

Refer to DTC Description.

NO>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Ignition switch ON.

2. Perform “MAC key writing”. Refer to Description.

3. Perform “MAC Diagnosis” of “CHASSIS CONTROL” using CONSULT.

Is DTC U1327-52 detected as the current malfunction?

YES>>

Refer to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

DiagnosisProcedure

CHECK DTC PRIORITY

If DTC U1327-52 is displayed with DTC U1327-54, first perform the trouble diagnosis for DTC U1327-54.

Is DTC U1327-54 detected?

YES>>

Refer to DTC Description.

NO>>

GO TO 2.

PERFORM MAC KEY WRITING

With CONSULT

1. Perform “MAC key writing”. Refer to Description.

2. Perform “MAC Diagnosis” of “CHASSIS CONTROL” using CONSULT.

Is DTC U1327-52 detected as the current malfunction?

YES>>

GO TO 3.

NO>>

INSPECTION END

REPLACE CHASSIS CONTROL MODULE

Replace the chassis control module. Refer to Removal and Installation.

>>

INSPECTION END

U1327-54 Mac Key Nissan Pathfinder Fifth generation

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
U1327	54	MAC key update (Message Authentication Code key update)	Diagnosis condition	—
			Signal (terminal)	—
			Threshold	MAC key is not written after chassis control module replacement.
			Diagnosis delay time	—

POSSIBLE CAUSE

• Writing of MAC key has not been executed

• Chassis control module

FAIL-SAFE

The following functions are suspended.^*

• Intelligent trace control function

• Active ride control function

• Automatic brake hold function

• Drive mode selector function

*: Depends on the DTC detection status

DTC CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

1. Ignition switch ON.

2. Perform “MAC Diagnosis” of “CHASSIS CONTROL” using CONSULT.

Is DTC U1327-54 detected as the current malfunction?

YES>>

Refer to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

DiagnosisProcedure

PERFORM MAC KEY WRITING

With CONSULT

1. Perform “MAC key writing”. Refer to Description.

2. Perform “MAC Diagnosis” of “CHASSIS CONTROL” using CONSULT.

Is DTC U1327-54 detected as the current malfunction?

YES>>

GO TO 2.

NO>>

INSPECTION END

PERFORM MAC KEY WRITING AGAIN (SECOND TIMES)

With CONSULT

1. Restart CONSULT.

2. Perform “MAC Key writing” again. Refer to Description.

3. Perform “MAC Diagnosis” of “CHASSIS CONTROL” using CONSULT.

Is DTC U1327-54 detected as the current malfunction?

YES>>

GO TO 3.

NO>>

INSPECTION END

PERFORM MAC KEY WRITING AGAIN (THIRD TIMES)

With CONSULT

1. Restart CONSULT.

2. Perform “MAC Key writing” again. Refer to Description.

3. Perform “MAC Diagnosis” of “CHASSIS CONTROL” using CONSULT.

Is DTC U1327-54 detected as the current malfunction?

YES>>

Replace the chassis control module. Refer to Removal and Installation.

NO>>

INSPECTION END

U2140-57 Mac Comm Error (ecm) Nissan Pathfinder Fifth generation

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
U2140	57	CAN comm err (ECM) [Controller area network communication error (engine control module)]	Diagnosis condition	—
			Signal (terminal)	—
			Threshold	MAC communication error.
			Diagnosis delay time	—

POSSIBLE CAUSE

• Chassis control module used in vehicles is installed in the vehicle

• Chassis control module

• ECM

FAIL-SAFE

-

DTC CONFIRMATION PROCEDURE

CHECK DTC PRIORITY

If DTC U2140-57 is displayed with DTC U1327-52 or U1327-54, first perform the trouble diagnosis for DTC U1327-52 or U1327-54.

Is DTC U1327-52 or U1327-54 detected?

YES>>

• U1327-52: Refer to DTC Description.

• U1327-54: Refer to DTC Description.

NO>>

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

1. Ignition switch ON.

2. Perform “MAC Diagnosis” mode of “CHASSIS CONTROL” using CONSULT.

Is DTC U2140-57 detected?

YES>>

Refer to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK DTC PRIORITY

If DTC U2140-57 is displayed with DTC U1327-52 or U1327-54, first perform the trouble diagnosis for DTC U1327-52 or U1327-54.

Is DTC U1327-52 or U1327-54 detected?

YES>>

• U1327–52: Refer to DTC Description.

• U1327–54: Refer to DTC Description.

NO>>

GO TO 2.

CHECK MAC DIAGNOSIS

With CONSULT

Perform “MAC Diagnosis” mode of “CHASSIS CONTROL” using CONSULT.

Is DTC U2140-57 detected with DTC U214F-57, U2152–57 (with ProPILOT Assist), and U2165–57 (with sonar control unit) at the same time?

YES (all DTC codes are detected at the same time)>>

Replace the chassis control module. Refer to Removal and Installation.

NO (all DTC codes are not detected at the same time)>>

GO TO 3.

CHECK CAN DIAGNOSIS

With CONSULT

Perform "CAN Diag".

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Repair or replace root cause.

U2140-83 Can Comm Circuit Nissan Pathfinder 5th Gen

DTC Description

DTC DETECTION LOGIC

DTC No.		CONSULT screen terms (Trouble diagnosis content)	DTC detection condition
U2140	83	CAN comm err (ECM) [Controller area network communication error (engine control module)]	Diagnosis condition	When ignition switch is ON.
			Signal (terminal)	CAN communication signal
			Threshold	ECM in malfunctioning.
			Diagnosis delay time	2 seconds or more

POSSIBLE CAUSE

• CAN communication system

• ECM

FAIL-SAFE

The following functions are suspended.

• Intelligent trace control function

• Active ride control function

• Automatic brake hold function

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 10 seconds before conducting the next test.

>>

GO TO 2.

CHECK DTC DETECTION

With CONSULT

1. Ignition switch OFF to ON.

   CAUTION:

   Be sure to wait of 10 seconds after ignition switch OFF or ON.

2. Perform self-diagnosis for “CHASSIS CONTROL”.

Is DTC “U2140-83” detected?

YES>>

Refer to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

PERFORM SELF-DIAGNOSIS

With CONSULT

1. Erase self-diagnosis result for “CHASSIS CONTROL”.

2. Ignition switch OFF and wait for 10 seconds or more.

3. Ignition switch ON.

4. Perform self-diagnosis for “CHASSIS CONTROL”.

Is DTC “U2140-83” detected?

YES>>

GO TO 2.

NO>>

INSPECTION END

CHECK ECM SYSTEM (1)

With CONSULT

1. Erase self-diagnosis result for “ENGINE”.

2. Ignition switch OFF and wait for 10 seconds or more.

3. Ignition switch ON.

4. Perform self-diagnosis for “ENGINE”.

Is DTC detected?

YES>>

Check the DTC. Refer to DTC Index.

NO>>

GO TO 3.

CHECK ECM SYSTEM (2)

1. Ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check ECM harness connector terminals (CAN communication line) for damage or loose connection.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

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

ERASE SELF-DIAGNOSIS RESULT

With CONSULT

1. Connect ECM harness connector.

2. Erase self-diagnosis result for “CHASSIS CONTROL”.

3. Ignition switch OFF and wait for 10 seconds or more.

>>

INSPECTION END

Power Supply and Ground Circuit Nissan Pathfinder R53

Diagnosis Procedure

CHECK CHASSIS CONTROL MODULE ACCESSORY POWER SUPPLY

1. Ignition switch OFF.

2. Disconnect the chassis control module harness connector.

3. Check the voltage between chassis control module harness connector and ground.

   +		—	Voltage
   Chassis control module
   Connector	Terminal
   E12	5	Ground	Approx. 0 V

4. Ignition switch ON.

5. Check the voltage between chassis control module harness connector and ground.

   +		—	Voltage
   Chassis control module
   Connector	Terminal
   E12	5	Ground	6 − 16 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK CHASSIS CONTROL MODULE ACCESSORY POWER SUPPLY CIRCUIT

1. Ignition switch OFF.

2. Check the 10A fuse (#40).

3. Check continuity between chassis control module harness connector and the fuse block (J/B).

   Chassis control module		Fuse block (J/B)		Continuity
   Connector	Terminal	Connector	Terminal
   E12	5	E55	10J	Existed

Is the inspection result normal?

YES>>

Perform trouble diagnosis for ignition power supply.

NO>>

Repair / replace harness, connector, or fuse.

CHECK CHASSIS CONTROL MODULE BATTERY POWER SUPPLY

Check voltage between chassis control module harness connector and ground.

+		—	Voltage
Chassis control module
Connector	Terminal
E12	13	Ground	6 − 16 V

YES>>

GO TO 5.

NO>>

GO TO 4.

CHECK CHASSIS CONTROL MODULE BATTERY POWER SUPPLY CIRCUIT

1. Check the 5A fuse (#11).

2. Check continuity between chassis control module harness connector and the fuse block (J/B).

   Chassis control module		Fuse block (J/B)		Continuity
   Connector	Terminal	Connector	Terminal
   E12	13	M68	1E	Existed

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Perform the trouble diagnosis for 12V battery power supply circuit.

CHECK CHASSIS CONTROL MODULE GROUND CIRCUIT

Check the continuity between chassis control module harness connector and the ground.

Chassis control module		—	Continuity
Connector	Terminal
E12	15	Ground	Existed

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair / replace harness or connector.

CHECK TERMINAL

Check the chassis control module terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Repair / replace harness, connector, or terminal.