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Home >> Infiniti >> 2012 >> G37 IPL, Automatic Trans >> Repair and Diagnosis >> Steering >> Power Steering >> Steering Control System (With 4WAS) (Coupe) >> DTC/Circuit Diagnosis >> DTC C1686: 4WAS Main Control Unit >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC Items (CONSULT screen terms) Diagnostic item is detected when... Possible cause
C1686 4WAS MAIN ECU An error is detected on 4WAS main control unit side. (4WAS main control unit fail-safe mode) 4WAS main control unit fail-safe mode
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