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INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT INL-47 < DTC/CIRCUIT DIAGNOSIS > C D E F G H I J K M A B INL N O P YES >> GO TO 3. NO >> Repair or replace harnesses. 3. CHECK INTERIOR ROOM LAMP RELAY POWER SUPPLY CIRCUIT 1. Check voltage at room lamp relay harness connector. Is the inspection result normal? YES >> GO TO 4. NO >> Repair or replace harnesses. 4. CHECK INTERIOR ROOM LAMP RELAY POWER SUPPLY OUTPUT 1. Reconnect room lamp relay. 2. Check voltage at room lamp relay harness connector. Is the inspection result normal? YES >> GO TO 5. NO >> Replace room lamp relay. 5. CHECK INTERIOR ROOM LAMP RELAY POWER SUPPLY OUTPUT 1. Disconnect he following connectors: - Room lamp relay M12 - Map lamp assembly R6 - Room lamp R15 - Personal lamps 2nd row R16 - Vanity mirror lamp LH R14 - Vanity mirror lamp RH R10 - Luggage room lamp B118 2. Check continuity between room lamp relay connector M12 and interior room lamp connector in question. Is the inspection result normal? YES >> GO TO 6. NO >> Repair or replace harnesses. 6. CHECK INTERIOR ROOM LAMP RELAY POWER SUPPLY OUTPUT SHORT CIRCUIT Check continuity between room lamp relay and ground. Room lamp relay Voltage (Approx.) Connector Terminal M12 1 Battery voltage 3 Room lamp relay Voltage (Approx.) Connector Terminal M12 5 Battery voltage Room lamp relay Each interior room lamp Continuity Connector Terminal Connector Terminal M12 5 Map lamp assembly R6 1 Yes Room lamp R15 2 Personal lamps 2nd row R16 2 Vanity mirror lamp LH R14 1 Vanity mirror lamp RH R10 1 Luggage room lamp B118 1 Room lamp relay – Continuity Connector Terminal M12 5 Ground No |