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INTERIOR ROOM LAMP CONTROL CIRCUIT INL-21 < DTC/CIRCUIT DIAGNOSIS > C D E F G H I J K M A B INL N O P INTERIOR ROOM LAMP CONTROL CIRCUIT Description INFOID:0000000005516774 Controls each interior room lamp (ground side) by PWM signal. Component Function Check INFOID:0000000005516775 CAUTION: Before performing the diagnosis, check that the following is normal. 1. CHECK INTERIOR ROOM LAMP CONTROL FUNCTION CONSULT-III ACTIVE TEST 1. Switch the map lamp switch to DOOR. 2. Turn the ignition switch ON. 3. Select “INT LAMP” of BCM (INT LAMP) active test item. 4. With operating the test items, check that each interior room lamp turns ON/OFF (gradual brightening/dim- Does the interior room lamp turns ON/OFF (gradual brightening/dimming)? YES >> Interior room lamp control circuit is normal. NO >> Refer to . Diagnosis Procedure INFOID:0000000005516776 1. CHECK INTERIOR ROOM LAMP CONTROL OUTPUT CONSULT-III ACTIVE TEST 1. Turn ignition switch OFF. 2. Remove all the bulbs of map lamp and personal lamp. 3. Select “INT LAMP” of BCM (INT LAMP) active test item. 4. With operating the test item, check continuity between BCM harness connector and ground. Is the measurement value normal? YES >> GO TO 2. Fixed ON>>GO TO 3. 2. CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect BCM connector, map lamp connector and personal lamp connector. 3. Check continuity between BCM harness connector, map lamp harness connector and personal lamp har- On : Interior room lamp gradual brightening Off : Interior room lamp gradual dimming BCM Ground Test item Continuity Connector Terminal INT LAMP M119 19 On Existed Off Not existed |