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Home › Infiniti › 2013 › M35h › Repair and Diagnosis › Steering › Power Steering › Steering Control System › DTC/Circuit Diagnosis › DTC C1607, C1608: Power Steering Control Module › Diagnosis Procedure

Diagnosis Procedure

  1. CHECK TERMINALS AND HARNESS CONNECTORS 

    Check power steering control module pin terminals for damage or loose connection with harness connector.

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Repair or replace error-detected parts.

  2. PERFORM SELF-DIAGNOSIS 

    With CONSULT 

    1. Turn the ignition switch OFF to ON.
    2. Erase self-diagnostic results for "EPS".
    3. Turn the ignition switch OFF and wait for at least 10 seconds.
    4. Perform self-diagnosis for "EPS".

      Is DTC "C1607" or "C1608" detected? 

      YES: Power steering control module is malfunction. Replace power steering oil pump assembly. Refer to "REMOVAL AND INSTALLATION " (With heated steering wheel), "REMOVAL AND INSTALLATION " (Without heated steering wheel).

      NO: Check the pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace error-detected parts.

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