Nissan Juke Service and Repair Manual : P1804, P1809 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”.

Are DTC′s “P1804 or P1809” detected? YES >> Proceed to diagnosis procedure. Refer to DLN-40, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.PERFORM SELF-DIAGNOSIS

1. Erase self-diagnostic results for “ALL MODE AWD/4WD”.With CONSULT-III


1. Erase self-diagnostic results for “ALL MODE AWD/4WD”.

2. Turn the ignition switch OFF, and then wait 10 seconds and more.

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

Are DTC′s “P1804 or 1809” detected? YES >> Replace 4WD control module. Refer to DLN-91, "Removal and Installation".

NO >> Check 4WD control module pin terminals for damage or loose connection with harness connector.

If any items are damaged, 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 ...

    Other materials:

    Power supply and ground circuit
    Diagnosis Procedure 1.CHECK FUSES AND FUSIBLE LINK Check that the following fuses and fusible link are not fusing. Is the fuse fusing? YES >> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is blown. NO >> GO TO 2. 2.CH ...

    Vehicle security system cannot be set
    Key fob KEY FOB : Description Armed phase is not activated when door is locked using keyfob. NOTE: Check that vehicle is under the condition shown in “CONDITIONS OF VEHICLE (OPERATING CONDITIONS)” before starting diagnosis, and check each symptom. CONDITION OF VEHICLE (OPERATING COND ...

    Diagnosis system (ECM)
    Diagnosis description Diagnosis description : 1st Trip Detection Logic and Two Trip Detection Logic When a malfunction is detected for the first time, 1st trip DTC and 1st trip Freeze Frame data are stored in the ECM memory. The MIL will not illuminate at this stage. <1st trip> If the s ...