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.
Abbreviations
Abbreviation List
The following ABBREVIATIONS are used:
...
Water outlet and water piping
Exploded View
Water outlet
Water temperature sensor
Water outlet O-ring
Clamp
Heater pipe O-ring
Heater pipe
Water hose
Refer to INSTALLATION
Removal and Installation
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System description
STRUCTURE AND OPERATION
Sectional View
Drive gear
Side bearing
Differential case
Pinion mate shaft
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Pinion mate gear
Drive pinion
Collapsible spacer
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Stud bolt
Electric controlled coupling
Pinion front bearing
Pinion rear bearing
Elect ...