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:

    Rear washer nozzle and tube
    Hydraulic Layout 1. Rear washer nozzle 2. Plug 3. Rear washer tube 4. Joint 5. Second washer tube 6. Back door seal rubber 7. Front washer tube : Clip : Pawl Removal and Installation REMOVAL 1. Remove luggage side upper finisher RH. Refer to INT-32, "LUGGAGE SIDE UPPER FINIS ...

    B26F6 BCM
    DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B26F6 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to BCS-83, "DTC Logic". • If DTC B26F6 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to BCS-84, "D ...

    B1186, B1187, B1188, B1189, B1190, B1191 diagnosis sensor unit
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.CHECK SELF-DIAG RESULT With CONSULT-III 1. Turn ignition switch ON. 2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III. Without CONSULT-III 1. Turn ignition switch ON. 2. Check the air bag warning lamp statu ...