Nissan Juke Service and Repair Manual : P0402 EGR volume control valve

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure


Diagnosis Procedure

1.CHECK GROUND CONNECTIONS

1. Turn ignition switch OFF.

2. Check ground connection E38. Refer to Ground inspection in GI-44, "Circuit Inspection".

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace ground connection.

2.CHECK EGR VOLUME CONTROL VALVE INSTALLATION

Check that EGR volume control valve is installed properly.

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

NO >> Install EGR volume control valve properly.

3.CHECK EGR VOLUME CONTROL VALVE CONTROL MOTOR CIRCUIT

1. Check harness continuity between the following terminals.

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


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

Is the inspection result normal? YES >> GO TO 4.

NO >> Repair open circuit or short to ground or short to power in harness or connectors.

4.CHECK EGR VOLUME CONTROL VALVE VISUALLY

1. Remove the EGR volume control valve 2. Check if foreign matter is caught between the EGR volume control valve and the housing.

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

NO >> Remove the foreign matter and clean the EGR volume control valve.

5.CHECK EGR PASSAGE

Check the following for clogging and cracks.

• EGR tube
• EGR hose
• EGR cooler
Is the inspection result normal?

YES >> GO TO 6.

NO >> Repair or replace EGR passage.

6.CHECK EGR VOLUME CONTROL VALVE

Refer to EC-939, "Component Inspection".

Is the inspection result normal? YES >> GO TO 7.

NO >> GO TO 8.

7.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident", ???INCIDENT SIMULATION TESTS??? and ???GROUND INSPECTION???.

Is the inspection result normal? YES >> GO TO 8.

NO >> Repair or replace.

8.REPLACE EGR VOLUME CONTROL VALVE

1. Replace the EGR volume control valve.

2. Perform EC-881, "Work Procedure" >> INSPECTIO END

Component Inspection

1.CHECK EGR VOLUME CONTROL VALVE CONTROL MOTOR

1. Turn ignition switch OFF.

2. Disconnect EGR volume control valve harness connector.

3. Check resistance between EGR volume control valve terminals as follows.

Is the inspection result normal?


Is the inspection result normal? YES >> INSPECTION END

NO >> GO TO 2.

2.REPLACE EGR VOLUME CONTROL VALVE

1. Replace the EGR volume control valve.

2. Perform EC-881, "Work Procedure" >> INSPECTIO END

    P0380 glow rela
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0380 is displayed with DTC P0560 or P0657, first perform trouble diagnosis for DTC P0560 or P0657. Refer to EC-963, "DTC Logic" (DTC P05 ...

    P0403 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 ...

    Other materials:

    Booster seats
    For detailed guidance on safely installing a booster seat within your Nissan Leaf, please carefully follow the instructions and safety standards outlined in this section. Precautions on booster seats WARNING Improper use of a booster seat or the vehicle's seat belt significantly incre ...

    Forward-facing child restraint installation using the seat belts
    WARNING The three-point seat belt with Automatic Locking Retractor (ALR) must be used when installing a child restraint. Failure to use the ALR mode will result in the child restraint not being properly secured. The restraint could tip over or be loose and cause injury to a child in a sudden ...

    Test Value and Test Limit
    The following is the information specified in Service $06 of ISO 15031-5. The test value is a parameter used to determine whether a system/circuit diagnostic test is OK or NG while being monitored by the ECM during self-diagnosis. The test limit is a reference value which is specified as the ...