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 is 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-49, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK INTERIOR ROOM LAMP CONTROL OUTPUT
CONSULT ACTIVE TEST
Is the inspection result normal? YES >> GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key system) or BCS-135, "Removal and Installation" (without Intelligent Key system).
2.CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT
Is the inspection result normal? YES >> Replace map lamp or room lamp.
NO >> Repair or replace harnesses.
3.CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT
Is the inspection result normal? YES >> Replace BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key system) or BCS- 135, "Removal and Installation" (without Intelligent Key system).
NO >> Repair or replace harnesses.
Vacuum lines
Exploded View
Clamp
Vacuum hose
Vacuum tube
Clip
Vacuum hose
To intake manifold
To brake booster
Paint mark
Stamp indicating engine direction
Removal and Installation
REMOVAL
Remove the cowl top. Refer to EXT-25, "Removal and Installati ...
Under cover
Exploded View
Floor under cover (RH)
Engine under cover
Floor under cover (LH)
ENGINE UNDER COVER
ENGINE UNDER COVER : Removal and Installation
REMOVAL
Remove engine under cover clips.
Remove engine under cover.
INSTALLATION
Installation is in the reverse ord ...
Basic inspection
SERVICE INFORMATION FOR ELECTRICAL INCIDENT
Work flow
STEP
DESCRIPTION
STEP 1
Get detailed information about the conditions and the
environment when the incident occurred.
The following are key pieces of information required to make a good
analysis:
WH ...