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ADAS CONTROL UNIT : DTC Logic

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

DTC DETECTION LOGIC

DTC DETECTION LOGIC

DTC (On board display) Trouble diagnosis name DTC detecting condition Possible causes
C1A39 (39) STRG SEN CIR If the steering angle sensor is malfunction Steering angle sensor
NOTE: If DTC "C1A39" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to "ADAS CONTROL UNIT : DTC LOGIC ".

DTC CONFIRMATION PROCEDURE

  1. PERFORM DTC CONFIRMATION PROCEDURE
    1. Start the engine.
    2. Turn the MAIN switch of ICC system ON.
    3. Perform "All DTC Reading" with CONSULT-III.
    4. Check if the "C1A39" is detected as the current malfunction in self-diagnosis results of "ICC/ADAS".

      Is "C1A39" detected as the current malfunction? 

      YES: Refer to "ADAS CONTROL UNIT : DIAGNOSIS PROCEDURE ".

      NO: Refer to "INTERMITTENT INCIDENT ".