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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> Steering >> Power Steering >> Steering Control System (With 4WAS) >> DTC/Circuit Diagnosis >> DTC C1621, C1622: 4WAS Front Actuator >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC Display Item Malfunction detected condition Possible cause
C1621 ACTUATOR 4WAS front motor current valve error is detected. (4WAS front motor current valve is excessively large.) 4WAS front control unit or 4WAS front motor error is detected.
C1622 ACTUATOR 4WAS front motor voltage valve or current error valve is detected.
(4WAS front motor voltage valve error is detected.) (Voltage valve or current valve error is detected when starting the system.)		 4WAS front control unit or 4WAS front motor error is detected.
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