Nissan Juke Service and Repair Manual : P1808 Wheel speed sensor

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. Start the engine and drive at 30 km/h (19 MPH) or more for approximatelyWith CONSULT-III


1. Start the engine and drive at 30 km/h (19 MPH) or more for approximately 1minute.

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

Is DTC “P1808” detected? YES >> Proceed to diagnosis procedure. Refer to DLN-41, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS

With CONSULT-III

Perform self-diagnosis for “ABS”.

Is any DTCs detected? YES >> Check the DTCs. Refer to BRC-142, "DTC Index".

NO >> GO TO 2.

2.ERASE SELF-DIAGNOSTIC RESULT

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


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

2. Start the engine and drive vehicle at 30 km/h (19 MPH) or more.

3. Check that ABS warning lamp turns OFF.

Does ABS warning lamp turn OFF? YES >> GO TO 3.

NO >> Refer to BRC-212, "Diagnosis Procedure".

3.CHECK TERMINALS AND HARNESS CONNECTORS

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

Is inspection result normal? YES >> After turning the ignition switch OFF, perform DTC confirmation procedure again. When DTC “P1808” is detected, Replace 4WD control module. Refer to DLN-91, "Removal and Installation".

NO >> Repair or replace error-detected parts.

    P1804, P1809 4WD control module
    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 ...

    P1811 power supply circuit for 4wd control module
    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:

    B26F4 starter control relay
    DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B26F4 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to BCS-83, "DTC Logic". • If DTC B26F4 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to BCS-84, "D ...

    Calibration of decel G sensor
    Description TCM stores calibration data (inherent characteristic value) of G sensor to provide accurate control. Therefore, it is required to perform calibration of G sensor after the following work is performed. • Removal/installation or replacement of G sensor • Replacement of TCM Proce ...

    P062B ECM
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.INSPECTION START 1. Turn ignition switch ON. 2. Erase DTC. 3. Turn ignition switch OFF and wait for 20 seconds. 4. Turn ignition switch ON and perform the self-diagnosis. Is the DTC P062B displayed again? YES >> GO TO 2. NO &g ...