Nissan Juke Service and Repair Manual : P0603 ECM power supply

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE


DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

>> GO TO 2.

2.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON wait at least 10 seconds.

2. Turn ignition switch OFF and wait at least 5 minutes.

3. Turn ignition switch ON, wait at least 10 seconds.

4. Repeat step 2 and 3 for five times.

5. Check 1st trip DTC.

Is 1st trip DTC detected? YES >> Proceed to EC-300, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK ECM POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the voltage between ECM harness connector terminals.

Is the inspection result normal?


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

NO >> Perform the trouble diagnosis for power supply circuit.

2.CHECK INTERMITTENT INCIDENT

Perform GI-42, "Intermittent Incident".

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

NO >> Repair or replace error-detected parts.

3.PERFORM DTC CONFIRMATION PROCEDURE

1. Turn ignition switch ON.

2. Erase DTC.

3. Perform DTC confirmation procedure.

Refer to EC-300, "DTC Logic".

Is the 1st trip DTC P0603 displayed again? YES >> Replace ECM. Refer to EC-447, "Removal and Installation".

NO >> INSPECTION END

    P0524 engine oil pressure
    DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0524 is displayed with DTC P0520, P0075, or P0081, perform trouble diagnosis for DTC P0520, P0075, or P0081 first. Refer to EC-176, "DTC Logic&qu ...

    P0605 ECM
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conductin ...

    Other materials:

    Front seats
    Front manual seat adjustment Forward and backward: Pull the lever1 up and hold it while you slide the seat forward or backward to the desired position. Release the lever to lock the seat in position. Reclining: To recline the seatback, pull the lever2 up and lean back. To bring the seatback ...

    Washer switch
    Component Inspection 1.CHECK WASHER SWITCH 1. Turn ignition switch OFF. 2. Disconnect combination switch connector. 3. Check continuity between the combination switch terminals. A : Terminal 4 B : Terminal 6 C : Terminal 3 D : Terminal 1 Is the inspection result normal? YES >> IN ...

    General Precautions
    WARNING: When replacing fuel line parts, be sure to observe the following. Put a ???CAUTION: FLAMMABLE??? sign in the workshop. Be sure to work in a well ventilated area and furnish workshop with a CO2 fire extinguisher. Never smoke while servicing fuel system. Keep open flames and spa ...