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C1621, C1622 4WAS FRONT ACTUATOR STC-47 < COMPONENT DIAGNOSIS > [WITH 4WAS] C D E F H I J K L M A B STC N O P COMPONENT DIAGNOSIS C1621, C1622 4WAS FRONT ACTUATOR Description INFOID:0000000001666306 • Wiring connected to 4WAS front actuator is integrated with 4WAS front actuator. front wheel steering angle sensor, 4WAS front motor, gear shaft, and spiral cable] - 4WAS front lock solenoid valve (lock structure) is controlled by the 4WAS front control unit, and locks/ unlocks 4WAS front actuator. - If a strong force (rotation direction) is applied to 4WAS front actuator, the locking mechanism (holder) absorbs the force and locks 4WAS front actuator. - Front wheel steering angle sensor detects a turning angle of 4WAS front motor. angle) - Spiral cables mean the power line and signal lines of 4WAS front motor. DTC Logic INFOID:0000000001666307 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. RECHECK DTC With CONSULT-III 1. Start the engine. CAUTION: Stop the vehicle. 2. Steer 360 ° leftward slowly. Then steer 360 ° rightward to return the steering wheel to the straight-ahead position. Repeat the same service for 1 minute or more. 3. Perform 4WAS front control unit self-diagnosis. Is DTC “C1621” or “C1622” detected? YES >> Proceed to diagnosis procedure. Refer to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000001666308 1. CHECK 4WAS FRONT MOTOR CIRCUIT 1. Turn the ignition switch OFF. 2. Disconnect 4WAS front actuator harness connector. 3. Check the resistance between 4WAS front actuator harness connectors. DTC Items (CONSULT-III screen terms) Diagnostic item is detected when... Possible cause C1621 ACTUATOR 4WAS front motor current valve error is detected. 4WAS front control unit or C1622 ACTUATOR 4WAS front motor voltage valve or current error valve is 4WAS front control unit or |