Nissan Juke Service and Repair Manual : P1811 power supply circuit for 4wd control module

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

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

>> GO TO 2.

2.DTC REPRODUCTION PROCEDURE

1. Turn the ignition switch OFF to ON.With CONSULT-III


1. Turn the ignition switch OFF to ON.

2. Perform self-diagnosis for “ALL MODE AWD/4WD”.

Is DTC “P1811” detected? YES >> Proceed to diagnosis procedure. Refer to DLN-42, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK 4WD CONTROL MODULE POWER SUPPLY (1)

1. Turn the ignition switch OFF.

2. Disconnect 4WD control module harness connector.

3. Check the voltage between 4WD control module harness connector and ground.

4. Turn the ignition switch ON.


4. Turn the ignition switch ON.

CAUTION:
Never start the engine.

5. Check the voltage between 4WD control module harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 3.

NO >> GO TO 2.

2.CHECK 4WD CONTROL MODULE POWER SUPPLY (2

)

1. Turn the ignition switch OFF.

2. Check the 10A fuse (#33).

3. Check the harness for open or short between 4WD control module harness connector No.1 terminal and 10A (#33).

Is the inspection result normal?

YES >> Perform the trouble diagnosis for power supply circuit. Refer to PG-10, "Wiring Diagram - BATTERY POWER SUPPLY -".

NO >> Repair or replace error-detected parts.

3.CHECK 4WD CONTROL MODULE POWER SUPPLY (3)

1. Turn the ignition switch OFF.

2. Check the voltage between 4WD control module harness connector and ground.

3. Turn the ignition switch ON.


3. Turn the ignition switch ON.

CAUTION:
Never start the engine.

4. Check the voltage between 4WD control module harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 5.

NO >> GO TO 4.

4.CHECK 4WD CONTROL MODULE POWER SUPPLY (4)

1. Turn the ignition switch OFF.

2. Check the 10A fuse (#3).

3. Check the harness for open or short between 4WD control module harness connector No.3 terminal and 10A (#3).

Is the inspection result normal? YES >> Perform the trouble diagnosis for ignition power supply circuit. Refer to PG-15, "Wiring Diagram - IGNITION POWER SUPPLY -".

NO >> Repair or replace error-detected parts.

5.CHECK 4WD CONTROL MODULE GROUND

1. Turn the ignition switch OFF.

2. Check the continuity between 4WD control module harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> GO TO 6.

NO >> Repair or replace error-detected parts.

6.CHECK TERMINALS AND HARNESS CONNECTORS

Check the 4WD control module pin terminals for damage or loose connection with harness connector.

Is the inspection result normal? YES >> Replace 4WD control module. Refer to DLN-91, "Removal and Installation".

NO >> Repair or replace error-detected parts.

    P1808 Wheel speed sensor
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and wait at least 10 ...

    P1813 4WD mode switch
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and wait at least 10 ...

    Other materials:

    B261F ASCD clutch switch
    DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B261F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to BCS-83, "DTC Logic". • If DTC B261F is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to BCS-84, "D ...

    P1588 G sensor
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: Be careful of the driving speed. 1.PREPARATION BEFORE WORK If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test. > ...

    B2603 shift position
    DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B2603 is displayed with DTC B2601, first perform the trouble diagnosis for DTC B2601. Refer to SEC-79, "DTC Logic". DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCEDURE 1 1. Shift the selector lever to the P position. 2. T ...