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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 127 (Steering Control System (With 4WAS)) >> DTC/Circuit Diagnosis >> DTC C1686: 4WAS Main Control Unit >> Diagnosis Procedure
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Diagnosis 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. PERFORM SELF-DIAGNOSIS (4WAS FRONT CONTROL UNIT) 

    With CONSULT 

    Perform self-diagnosis for "4WAS (FRONT)".

    Is any DTC other than "C1686" detected? 

    YES: Check the error system. Refer to "DTC INDEX ".

    NO: Perform self-diagnosis for "4WAS (MAIN)/RAS/HICAS". Refer to "CONSULT FUNCTION ".

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