Nissan Juke Service and Repair Manual : P0488 EGR system

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure


Diagnosis Procedure

1.CHECK EGR VOLUME CONTROL VALVE CONTROL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect EGR volume control valve harness connector and ECM harness connector.

3. Check the continuity between EGR volume control valve terminal harness connector and ECM harness connector.

4. Also check harness for short to ground and short to power.


4. Also check harness for short to ground and short to power.

OK or NG OK >> GO TO 2.

NG >> Repair open circuit or short to ground or short to power in harness or connectors.

2.CHECK EGR VOLUME CONTROL VALVE

Refer to EC-954, "Component Inspection".

OK or NG OK >> GO TO 3.

NG >> Replace EGR volume control valve. Refer to EC-881, "Work Procedure".

3.CHECK EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR

Refer to EC-954, "Component Inspection".

OK or NG OK >> GO TO 4.

NG >> Replace EGR volume control valve. Refer to EC-881, "Work Procedure".

4.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> INSPECTION END

Component Inspection

EGR VOLUME CONTROL VALVE

1. Disconnect EGR volume control valve harness connector.

2. Check resistance EGR volume control valve harness connector.

If NG, replace EGR volume control valve. Refer to EC-881, "Work Procedure".


If NG, replace EGR volume control valve. Refer to EC-881, "Work Procedure".

EGR VOLUME CONTROL VALVE CONTROL POSITION SENSOR

1. Disconnect EGR volume control valve harness connector.

2. Check continuity EGR volume control valve harness connector.

If NG, replace EGR volume control valve. Refer to EC-881, "Work Procedure".


If NG, replace EGR volume control valve. Refer to EC-881, "Work Procedure".

    P0487 EGR volume control valve
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK EGR VOLUME CONTROL VALVE CONTROL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect EGR volume control valve harness connector and ECM ...

    P0504 ASCD brake SWI
    DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1.CHECK GROUND CONNECTIONS 1. Turn ignition switch OFF and wait at least 20 seconds. 2. Check ground connection E38. Refer to Ground inspection ...

    Other materials:

    Information display (speed limiter))
    Component Function Check 1.CHECK INFORMATION DISPLAY (SPEED LIMITER) FUNCTION 1. Start engine. 2. Press speed limiter MAIN switch. 3. Drive the vehicle at more than 30 km/h (20 MPH). CAUTION: Always drive vehicle at a safe speed. 4. Press SET/ACCELERATE or SET/COAST switch. 5. Perform a te ...

    Door request switch
    Component Function Check 1.CHECK FUNCTION 1. Select “INTELLIGENT KEY” of “BCM” using CONSULT-III. 2. Select “REQ SW-DR”, “REQ SW-AS” in “DATA MONITOR” mode. 3. Check that the function operates normally according to the following conditions. Is the inspection result normal? YES >> Fro ...

    U1010 control unit (CAN)
    Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent malfunction detection ability. Many electronic control units are equipped onto a vehicle, and ...