LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Cruise Control System) >> ICC >> DTC/Circuit Diagnosis >> DTC C1A40: System Switch Circuit >> DTC Logic >> DTC Confirmation Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Confirmation Procedure

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.
  1. PERFORM DTC CONFIRMATION PROCEDURE
    1. Start the engine and wait for approximately 10 minutes or more.
    2. Perform "All DTC Reading" with CONSULT-III.
    3. Check if the "C1A40" is detected as the current malfunction in "Self Diagnostic Result" of "ICC/ADAS".

      Is "C1A40" detected as the current malfunction? 

      YES: Refer to "DIAGNOSIS PROCEDURE ".

      NO: Refer to "INTERMITTENT INCIDENT ".