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STC-62 < COMPONENT DIAGNOSIS > [WITH 4WAS] C1652 4WAS FRONT MOTOR POWER SUPPLY C1652 4WAS FRONT MOTOR POWER SUPPLY Description INFOID:0000000000958770 • The power supply for 4WAS front motor and 4WAS front control unit. DTC Logic INFOID:0000000000958771 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. RECHECK DTC With CONSULT-III 1. Turn the ignition switch OFF to ON. 2. Perform 4WAS front control unit self-diagnosis. Is DTC “C1652” detected? YES >> Proceed to diagnosis procedure. Refer to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000000958772 1. 4WAS REAR MOTOR GROUND INSPECTION 1. Turn the ignition switch OFF. 2. Check the continuity between 4WAS front control unit harness connector and the ground. Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace the harnesses and connectors. 2. 4WAS FRONT MOTOR POWER SUPPLY INSPECTION 1. Start the engine. CAUTION: Stop the vehicle. 2. Check the voltage between 4WAS front control unit harness connectors. Is the measurement value “9 V” or less? YES >> Check the following items. Repair or replace the malfunctioning parts. • 4WAS front control unit harness connector pin terminal and connection terminal and the ground • Open between the battery and 4WAS front control unit harness connector No. 11 terminal DTC Items (CONSULT-III screen terms) Diagnostic item is detected when... Possible cause C1652 MOTOR POWER SUPPLY 4WAS front motor main power supply error is detected 4WAS front control unit or 4WAS front control unit Continuity Connector Terminal M203 12 – Ground Existed 4WAS front control unit Voltage (Approx.) Connector Terminal M203 11 – 12 Battery voltage |