INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT

CONSULT-III ACTIVE TEST

1. Turn ignition switch ON.
2. Turn each interior room lamp ON.
• Map lamp
• Step lamp
• Vanity mirror lamp
• Trunk room lamp
3. Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.
4. With operating the test items, check that each interior room lamps operation.
   

   Off	: Interior room lamp OFF
   On	: Interior room lamp ON

   
   

YES>>Interior room lamp power supply circuit is normal.

NO>>Refer to Diagnosis Procedure.

CONSULT-III ACTIVE TEST

1. Turn ignition switch ON.
2. Select “BATTERY SAVER” of BCM (BATTERY SAVER) active test item.
3. With operating the test item, check voltage between BCM harness connector and ground.

Terminals			Test item	Voltage (Approx.)
(+)		(-)
BCM		Ground	BATTERY SAVER
Connector	Terminal
M119	4		Off	0 V
			On	Battery voltage

YES>>GO TO 2.

NO>>Replace BCM.

1. Turn ignition switch OFF.
2. Disconnect the following connectors.
• Map lamp
• Vanity mirror lamp (LH)
• Vanity mirror lamp (RH)
• Trunk room lamp
• Step lamp (driver side)
• Step lamp (passenger side)
3. Check continuity between BCM harness connector and each interior room lamp harness connector.

BCM		Each interior room lamp			Continuity
Connector	Terminal	Connector		Terminal
M119	4	Map lamp	R6	1	Existed
		Vanity mirror lamp (LH)	R2	2
		Vanity mirror lamp (RH)	R3	2
		Trunk room lamp	B42	1
		Step lamp (driver side)	D23	1
		Step lamp (passenger side)	D53	1

YES>>GO TO 3.

NO>>Repair the harnesses or connectors.

Check continuity between BCM harness connector and ground.

BCM		Ground	Continuity
Connector	Terminal
M119	4		Not existed

YES>>Repair the harnesses or connectors.

NO>>Check that each interior room lamp has no internal short circuit.