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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 261 (Steering Control System (With 4WAS)) >> DTC/Circuit Diagnosis >> DTC C1684, C1685: 4WAS Main Control Unit Communication >> DTC Logic >> DTC Confirmation Procedure
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DTC Confirmation Procedure

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
  1. PRECONDITIONING 

    If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

    : GO TO 2.

  2. RECHECK DTC 

    With CONSULT 

    1. Turn the ignition switch from OFF to ON.
    2. Perform self-diagnosis for "4WAS (FRONT)".

      Is DTC "C1684" or "C1685" detected? 

      YES: Proceed to diagnosis procedure. Refer to "DIAGNOSIS PROCEDURE ".

      NO: INSPECTION END

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