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ST-26 < SYMPTOM DIAGNOSIS > HEATED STEERING WHEEL SWITCH INDICATOR LAMP DOES NOT TURN ON HEATED STEERING WHEEL SWITCH INDICATOR LAMP DOES NOT Description INFOID:0000000006225594 • Heated steering wheel switch indicator lamp does not turn on the lamp. Diagnosis Procedure INFOID:0000000006225595 1. CHECK POWER SOURCE AND GROUND CIRCUIT 1. Turn ignition switch ON. CAUTION: Never start the engine. 2. Turn heated steering wheel switch ON. 3. Check voltage between heated steering wheel switch harness connector terminals. Is the inspection result normal? YES >> GO TO 7. NO >> GO TO 2. 2. CHECK GROUND CIRCUIT Check continuity between heated steering wheel switch harness connector terminal and ground. Is the inspection result normal? YES >> GO TO 3. NO >> Repair or replace damaged parts. 3. CHECK HARNESS BETWEEN HEATED STEERING WHEEL RELAY AND HEATED STEERING WHEEL SWITCH 1. Turn ignition switch OFF. 2. Disconnect heated steering wheel relay connector. Refer to ST-7, "Component Parts Location (Heated . 3. Disconnect heated steering wheel switch connector. Refer to ST-56, "Removal and Installation" . 4. Check continuity between heated steering wheel relay harness connector terminal and heated steering 5. Check continuity between heated steering wheel relay harness connector terminal and ground. Heated steering wheel Condition Voltage (Approx.) Connector Terminal M52 5 − 6 Within 30 minutes after Battery voltage Other conditions. 0 V Heated steering wheel switch Ground Continuity Connector Terminal M52 6 Existed Heated steering wheel relay Heated steering wheel switch Continuity Connector Terminal Connector Terminal E90 5 M52 5 Existed Heated steering wheel relay Ground Continuity Connector Terminal E90 5 Not existed |