Nissan Juke Service and Repair Manual : C1607, C1608 EPS control unit

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. Turn the ignition switch OFF to ON.With CONSULT-III


1. Turn the ignition switch OFF to ON.

2. Perform “EPS” self-diagnosis.

Is DTC “C1607” or “C1608” detected? YES >> Proceed to diagnosis procedure. Refer to STC-23, "Diagnosis Procedure".

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK TERMINALS AND HARNESS CONECTORS

Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace error-detected parts.

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

NO >> Repair or replace error-detected parts.

2.PERFORM SELF-DIAGNOSIS

1. Erase self-diagnostic results for “EPS”.With CONSULT-III


1. Erase self-diagnostic results for “EPS”.

2. Turn the ignition switch OFF, and then wait 10 seconds and more.

3. Perform self-diagnosis for “EPS”.

Is DTC “C1607” or “C1608” detected? YES >> EPS control unit is malfunctioning. Replace steering column assembly. Refer to ST-10, "Removal and Installation".

NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

    C1606 EPS motor
    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 ...

    C1609 vehicle speed signal
    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:

    High pressure fuel pump and fuel hose
    Exploded View CAUTION: Never remove or disassemble parts unless instructed as shown in the figure. 1. High pressure fuel pump insulator 2. High pressure fuel pump 3. O-ring 4. Valve lifter 5. Fuel tube assembly 6. Bracket 7. Fuel pump connector protector 8. Fuel feed hose A. To ce ...

    Seat belt buckle switch signal circuit (driver side)
    Component Function Check 1.CHECK COMBINATION METER INPUT SIGNAL Select the “Data Monitor” for the “METER/M&A” and check the “BUCKLE SW” monitor value. BUCKLE SW When driver seat belt is fastened : Off When driver seat belt is unfastened : On >> INSPECTION END Diagnosis Procedure ...

    Checking engine oil level
    1. Park the vehicle on a level surface and apply the parking brake. 2. Run the engine until it reaches operating temperature. 3. Turn off the engine. Wait more than 10 minutes for the oil to drain back into the oil pan. 4. Remove the dipstick and wipe it clean. Reinsert it all the way. 5. R ...