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INL-48 < DTC/CIRCUIT DIAGNOSIS > PUDDLE LAMP CIRCUIT Fixed at 12 V>>Replace the total illumination control unit. 2. CHECK THE SYMPTOM Check that the lamp fixed to ON or OFF. Fixed OFF>>GO TO 3. 3. CHECK PUDDLE LAMP POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect the door mirror connector. 3. Turn ignition switch ON. 4. Check voltage between the door mirror lamp harness connector and ground. Is the measurement value normal? YES >> GO TO 4. NO >> Check the hospitality lighting power supply circuit 2. Refer to . 4. CHECK PUDDLE LAMP CONTROL CIRCUIT FOR OPEN 1. Turn ignition switch OFF. 2. Disconnect the total illumination control unit connector. 3. Check continuity between the total illumination control unit harness connector and door mirror harness Does continuity exist? YES >> Replace the puddle lamp. NO >> Repair the harnesses or connectors. 5. CHECK PUDDLE LAMP CONTROL CIRCUIT FOR SHORT 1. Turn ignition switch OFF. 2. Disconnect the total illumination control unit and puddle lamp connector. 3. Check continuity between the total illumination control unit harness connector and ground. Does continuity exist? YES >> Repair the harnesses or connectors. NO >> Replace the total illumination control unit. Door mirror Ground Voltage (Approx.) Connector Terminal Driver D3 2 12 V Passen- D33 2 Total illumination control unit Door mirror Continuity Connector Terminal Connector Terminal Driver M129 40 D3 14 Existed Passen- 39 D33 14 Total illumination control unit Ground Continuity Connector Terminal Driver M129 40 Not existed Passen- 39 |