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DTC Detection 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 (On board display) Trouble diagnosis name DTC detecting condition Possible causes
C1A14 (14) ECM CIRCUIT If ECM is malfunctioning
  • Accelerator pedal position sensor
  • ECM
  • ADAS control unit
NOTE: If DTC "C1A14" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to "ADAS CONTROL UNIT : DTC LOGIC ".
  1. PERFORM DTC CONFIRMATION PROCEDURE
    1. Start the engine.
    2. Operate the ICC system and drive.
      CAUTION: Always drive safely.
    3. Stop the vehicle.
    4. Perform "All DTC Reading" with CONSULT-III.
    5. Check if the "C1A14" is detected as the current malfunction in "Self Diagnostic Result" of "ICC/ADAS".

      Is "C1A14" detected as the current malfunction? 

      YES: Refer to "DIAGNOSIS PROCEDURE ".

      NO: Refer to "INTERMITTENT INCIDENT ".

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