Nissan Juke Service and Repair Manual : Interior room lamp control circuit
Description
Controls each interior room lamp (ground side) by PWM signal.
NOTE
:
PWM signal control period is approximately 250 Hz (in the gradual
brightening/dimming).
Component Function Check
CAUTION:
Before performing the diagnosis, check that the following are normal.
• Interior room lamp power supply • Map lamp bulb
1.CHECK INTERIOR ROOM LAMP CONTROL FUNCTION
CONSULT-III ACTIVE TEST
1. Switch the map 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/dimming).
On : Interior room lamp gradual brightening Off : Interior room lamp gradual dimming
Does the interior room lamp turns ON/OFF (gradual brightening/dimming)? YES >> Interior room lamp control circuit is normal.
NO >> Refer to INL-30, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK INTERIOR ROOM LAMP CONTROL OUTPUT
CONSULT-III ACTIVE TEST
1. Turn ignition switch OFF.
2. Remove all the bulbs of map lamp.
3. Turn ignition switch ON.
4. Select “INT LAMP” of BCM (INT LAMP) active test item.
5. With operating the test item, check continuity between BCM harness connector and ground.
With Intelligent Key
Without Intelligent Key
Is the inspection result normal? YES >> GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM. Refer to BCS-93, "Removal and Installation".
2.CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector, map lamp connector.
3. Check continuity between BCM harness connector and map lamp harness connector.
With Intelligent Key
Without Intelligen
Is the inspection result normal? YES >> Replace map lamp.Refer to INL-37, "Removal and Installation".
NO >> Repair or replace harnesses.
3.CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and map lamp connector.
3. Check continuity between BCM harness connector and ground.
With Intelligent Key
Without Intelligent Key
Is the inspection result normal? YES >> Replace BCM. Refer to BCS-93, "Removal and Installation".
NO >> Repair or replace harnesses.
Interior room lamp power supply circuit
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