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Home >> Infiniti >> 2024 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (DTCS) (1 Of 2) >> DAST 1 (Steering Angle Main Control Module) >> C13CF-00 ALC Function Request Signal >> DTC Diagnosis Procedure
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DTC Diagnosis Procedure

  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 and Installation .

    NO>>

    Repair / replace harness, connector, or terminal.