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STC-170 < SYMPTOM DIAGNOSIS > [WITH 4WAS] 4WAS WARNING LAMP DOES NOT TURN OFF 4WAS WARNING LAMP DOES NOT TURN OFF Description INFOID:0000000000958929 • 4WAS system stops (error) when turning 4WAS warning lamp ON. Diagnosis Procedure INFOID:0000000000958930 1. PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT) With CONSULT-III Perform 4WAS main control unit self-diagnosis. Is any DTC detected other than “C1930” or “C1931”? YES >> GO TO 2. NO >> GO TO 3. 2. PERFORM TROUBLE DIAGNOSIS (4WAS MAIN CONTROL UNIT) With CONSULT-III 1. Check the error system detected from the self-diagnosis. 2. Perform 4WAS main control unit self-diagnosis again after the inspection. Is any error system detected? YES >> Check the error system. NO >> GO TO 3. 3. PERFORM SELF-DIAGNOSIS (4WAS FRONT CONTROL UNIT) With CONSULT-III Perform 4WAS front control unit self-diagnosis. Is any error system detected? YES >> Check the error system. NO >> GO TO 4. 4. PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT) With CONSULT-III Perform 4WAS main control unit self-diagnosis. YES >> Check the error system. NO >> Check that there is no malfunction in each harness connector pin terminal or disconnection. |