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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) >> DAST 1 (Steering Angle Main Control Module) >> DTC C13CF-00: ALC Function Request Signal >> DTC Diagnosis Procedure >> Direct Adaptive Steering System
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Direct Adaptive Steering System

  1. PERFORM CHASSIS CONTROL MODULE SELF-DIAGNOSIS 

    SYMBOL With CONSULT

    1. Turn the ignition switch ON.
    2. Perform self-diagnosis for "CHASSIS CONTROL".

    Is any DTC detected?

    YES

    Check the DTC. Refer to DTC Index .

    NO

    GO TO 2.

  2. PERFORM SELF-DIAGNOSIS 

    SYMBOL With CONSULT

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

    Is DTC "C13CF-00" detected?

    YES

    GO TO 3.

    NO

    • Check enlarged contact spring of terminal. Refer to Inspection .
    • Perform intermittent incident while turning steering wheel. Refer to Inspection .
  3. CHECK TERMINAL 
    1. Turn the ignition switch OFF.
    2. Disconnect steering angle main control module harness connector and then check steering angle main control module terminals for damage or loose connection with harness connector.
    3. Disconnect chassis control module harness connector and then check chassis control module terminals for damage or loose connection with harness connector.

    Is the inspection result normal?

    YES

    Replace steering angle main control module. Refer to STEERING ANGLE MAIN CONTROL MODULE : Removal & Installation .

    NO

    Repair or replace error-detected part.

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