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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Steering >> Electronic Steering >> Steering Control System (DTCS) (2 Of 2) >> EPS/DAST 3 (Power Steering Control Module) >> DTC C1607: Power Steering Control Module >> DTC Diagnosis Procedure >> Without Direct Adaptive Steering System
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Without Direct Adaptive Steering System

  1. PERFORM SELF-DIAGNOSIS 

    SYMBOL With CONSULT

    1. Turn the ignition switch OFF to ON.
    2. Erase self-diagnostic results for "EPS/DAST 3".
    3. Turn the ignition switch OFF and wait for at least 10 seconds.
    4. Start the engine.
      CAUTION: Never drive the vehicle.
    5. Perform self-diagnosis for "EPS/DAST 3".

    Is DTC "C1607" detected?

    YES

    Power steering control module is malfunctioning. Replace steering gear assembly. Refer to STEERING GEAR AND LINKAGE : Removal & Installation .

    NO

    Check pin terminal and connection of each harness connector for malfunctioning conditions.

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