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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (Steering Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC C1609: Vehicle Speed Signal >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS 

    SYMBOL CONSULT

    1. Turn the ignition switch OFF to ON.
    2. Perform "Self Diagnostic Result" mode of "ABS".

    Is any DTC detected?

    YES

    Check the DTC.

    NO

    GO TO 2

  2. PERFORM SELF-DIAGNOSIS 

    SYMBOL CONSULT

    Perform "Self Diagnostic Result" mode of "EPS".

    Is DTC "C1609" detected?

    YES

    Replace EPS control unit. Refer to Removal and Installation .

    NO

    Check EPS control unit pin terminals for damage or loose connection with harness connector. If any item are damaged, repair or replace malfunctioning component.

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