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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (Direct Adaptive Steering) (DTC/Circuit Diagnosis) (2 Of 2) >> DTC/Circuit Diagnosis >> C13CE-00 Sleep/Wake Signal >> EPS/DAST 3 >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

  1. PERFORM BCM SELF-DIAGNOSIS 
    1. SYMBOL CONSULT
      1. Ignition switch ON.
      2. Select "Self Diagnostic Result" mode of "BCM".

    Is any DTC detected?

    YES>>

    Check the DTC. Refer to DTC Index .

    NO>>

    GO TO 2.

  2. PERFORM SELF-DIAGNOSIS 
    1. SYMBOL CONSULT
      1. Ignition switch ON.
      2. Erase "Self Diagnostic Result" mode of "EPS/DAST 3".
      3. Ignition switch OFF and wait for at least 10 seconds.
      4. Ignition switch ON.
      5. Select "Self Diagnostic Result" mode of "EPS/DAST 3".

    Is DTC "C13CE-00" detected?

    YES>>

    GO TO 3.

    NO>>

  3. CHECK TERMINAL 
      1. Ignition switch OFF.
      2. Disconnect steering force control module connector and then check steering force control module pin terminals for damage or loose connection with harness connector.
      3. Disconnect BCM connector and then check BCM pin terminals for damage or loose connection with harness connector.

    Is the inspection result normal?

    YES>>

    Replace steering force control module. Refer to Removal and Installation .

    NO>>

    Repair or replace malfunctioning component.