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

1. Switch the map lamp switch to DOOR.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

1. Turn ignition switch OFF.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


Without Intelligent Key

Is the inspection result normal?


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


Without Intelligen

Is the inspection result normal?


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


Without Intelligent Key

Is the inspection result normal?


Is the inspection result normal? YES >> Replace BCM. Refer to BCS-93, "Removal and Installation".

NO >> Repair or replace harnesses.

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