Nissan Juke Service and Repair Manual : P1820 engine speed signal

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 20 km/h (12 MPH) or more.With CONSULT-III


1. Start the engine and drive at 20 km/h (12 MPH) or more.

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

Is DTC “P1820” detected? YES >> Proceed to diagnosis procedure. Refer to DLN-52, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.PERFORM ECM SELF-DIAGNOSIS

Perform self-diagnosis for “ENGINE”.With CONSULT-III


Perform self-diagnosis for “ENGINE”.

Is any DTCs detected? YES >> Check the DTCs. Refer to EC-108, "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. Turn the ignition switch OFF.

3. Start the engine and drive vehicle for a while.

4. Check that malfunction indicator lamp (MIL) turns OFF.

Does malfunction indicator lamp (MIL) turn OFF? YES >> GO TO 3.

NO >> Refer to EC-436, "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 “P1820” is detected, Replace 4WD control module. Refer to DLN-91, "Removal and Installation".

NO >> Repair or replace error-detected parts.

    P181F incomplete calibration
    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 ...

    P1829 accelerator pedal position 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 ...

    Other materials:

    Rear window defogger does not operate but both door mirror defoggers operate
    Diagnosis Procedure 1.CHECK REAR WINDOW DEFOGGER Check rear window defogger. Refer to DEF-31, "Component Function Check". Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace the malfunctioning parts. 2.CONFIRM THE OPERATION Confirm the opera ...

    P0101 MAF sensor
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK AIR FILTER Check that air filter is not obstructed. Is the inspection result normal? Yes >> Repair or replace. No >> GO TO 2. 2.CHECK INTAKE AIR DUCT Check that intake air duct is not obstructed. Is the inspect ...

    Erratic acceleration
    Description CHART 10: Erratic acceleration Diagnosis Procedure 1.CHECK ECM POWER SUPPLY AND GROUND CIRCUIT Check ECM power supply and ground circuit. Refer to EC-885, "Diagnosis Procedure". Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ha ...