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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 >> C13E6-00 Heat Protection >> DAST 2 >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

  1. CHECK THE TEMPERATURE OF CONTROL MODULE 
    1. SYMBOL CONSULT
      1. Start the engine.
        CAUTION:

        Never drive the vehicle.

      2. Select "C/M TEMPERATURE" in "Data Monitor" mode of "DAST 2".
      3. Wait with the ignition switch OFF until the data monitor indication becomes 176°F (80°C) or less.

    Does the temperature drop to 185°F (85°C) or less?

    YES>>

    GO TO 2.

    NO>>

    Replace steering angle sub control module. Refer to Removal and Installation .

  2. PERFORM SELF-DIAGNOSIS 
    1. SYMBOL CONSULT
      1. Ignition switch ON.
      2. Erase "Self Diagnostic Result" mode of "DAST 2".
      3. Ignition switch OFF and wait for at least 10 seconds.
      4. Start the engine.
        CAUTION:

        Never drive the vehicle.

      5. Select "Self Diagnostic Result" mode of "DAST 2".

    Is DTC "C13E6-00" detected?

    YES>>

    Replace steering angle sub control module. Refer to Removal and Installation .

    NO>>

    The rise of steering angle sub control module internal temperature caused the protection function to operate. This is not a system malfunction. Inspection End.