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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 653 (Steering Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC C1602: No Tuning Set >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM SELF-DIAGNOSIS 

    SYMBOL CONSULT

    1. Turn the ignition switch OFF to ON.
    2. Erase "Self Diagnostic Result" mode of "EPS".
    3. Turn the ignition switch OFF and wait for at least 10 seconds.
    4. Turn the ignition switch ON.
    5. Select "Self Diagnostic Result" mode of "EPS".

    Is DTC "C1602" detected?

    YES

    Power steering control module is malfunctioning. Replace power steering oil pump assembly. Refer to Removal and Installation .

    NO

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

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