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INL-58 < DTC/CIRCUIT DIAGNOSIS > INTERIOR ROOM LAMP CONTROL CIRCUIT INTERIOR ROOM LAMP CONTROL CIRCUIT Description INFOID:0000000006216068 Controls each interior room lamp (ground side) by PWM signal. Component Function Check INFOID:0000000006216069 CAUTION: Before performing the diagnosis, check that the following are normal. 1. CHECK INTERIOR ROOM LAMP CONTROL FUNCTION CONSULT-III ACTIVE TEST 1. Switch the map lamp switch and personal lamp switch to DOOR. 2. Turn 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:0000000006216070 1. CHECK INTERIOR ROOM LAMP CONTROL OUTPUT CONSULT-III ACTIVE TEST 1. Switch the map lamp switch and personal lamp switch to DOOR. 2. Turn ignition switch OFF. 3. Remove all the bulbs of map lamp, foot lamp and personal lamp. 4. Turn ignition switch ON. 5. Select “INT LAMP” of BCM (INT LAMP) active test item. 6. With operating the test item, check continuity between BCM harness connector and ground. Is the inspection result normal? YES >> GO TO 2. Fixed ON>>GO TO 3. BCS-81, "Removal and Installation" 2. CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect BCM connector, map lamp connector, personal lamp connector and foot lamp connector. 3. Check continuity between BCM harness connector and foot lamp harness connector. On : Interior room lamp gradual brightening Off : Interior room lamp gradual dimming BCM Ground Test item Continuity Connector Terminal M70 63 INT LAMP On Existed Off Not existed |