Body Control Module: Description and Operation

Part 1:

Part 2:

SMART ENTRANCE CONTROL UNIT

OUTLINE
The smart entrance control unit totally controls the following body electrical system operations.
- Warning chime
- Rear window defogger and door mirror defogger
- Power door locks
- Remote keyless entry system
- Vehicle security system
- Interior lamp
- Battery saver control

BATTERY SAVER CONTROL

Interior Lamp/Map Lamp/Vanity Lamps
The lamps turn off automatically when the interior lamp, map lamp or/and vanity lamps are illuminated with the ignition key in the OFF position, if the lamp remains lit by the door switch open signal or if the lamp switch is in the ON position for approximately 10 minutes.

After lamps are turned off by the battery saver system, the lamps illuminate again when:
- Drivers door is locked or unlocked,
- Door is opened or closed,
- Key is inserted into or removed from the ignition key cylinder.

Rear Window Defogger/Door Mirror Defogger
Rear window defogger and door mirror defogger are turned off approximately 15 minutes after the rear window defogger switch is turned on.






Time Control Unit Description (Without Power Door Locks)

OUTLINE
The time control unit totally controls the following body electrical system operations.

^ Warning chime
^ Rear window defogger