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.
1.Check interior room lamp control function
Consult active test
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-45, "Diagnosis Procedure".
Diagnosis procedure
Regarding Wiring Diagram information, refer to INL-17, "Wiring Diagram".
1.Check interior room lamp control output
Consult active test
Is the inspection result normal? Yes >> interior room lamp control circuit is operating normally.
Fixed on>>go to 3.
Fixed off>>go to 2.
2.Check interior room lamp control open circuit
Is the inspection result normal? Yes >> check interior room lamps for an open. If ng, replace lamp in question. Refer to inl-55, "removal and installation" (room lamp) or inl-52, "removal and installation" (map lamp). If ok, replace bcm. Refer to bcs-73, "removal and installation" (with intelligent key), bcs-126, "removal and installation" (without intelligent key).
No >> repair or replace harness or connector.
3.Check interior room lamp control short to ground
Is the inspection result normal? Yes >> check interior room lamps for an internal short to ground. If ng, replace lamp in question. Refer to inl-55, "removal and installation" (room lamp) or inl-52, "removal and installation" (map lamp). If ok, replace bcm. Refer to bcs-73, "removal and installation" (with intelligent key), bcs-126, "removal and installation" (without intelligent key).
No >> repair or replace harness or connector.
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Commercial Service Tools
Clip list
Descriptions for Clips
Replace any clips which are damaged during removal or installation.
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