Operation CHARM: Car repair manuals for everyone.

Body Control Systems: Description and Operation



Module Controlled Functions







Driver Seat Module (DSM)
The DSM is located under the driver seat.
The DSM controls the seat memory recall positions and seat functionality.

Driver Door Module (DDM)
The DDM is located in the driver door behind the trim panel.

The DDM is involved with the following operations:
- door window motor and regulator
- exterior rear view mirror movement
- keyless entry
- global closing
- drivers door locking/unlocking

Front Electronic Module (FEM)
The FEM is located behind the left-hand cowl side trim panel.

The FEM is involved with the following operations:
- front exterior lighting
- direction indicators
- adjustable pedals
- daytime running lamps
- courtesy lighting
- low brake fluid reservoir level
- low windshield washer reservoir fluid level
- low oil pressure
- windshield wipers
- rear view mirror electro-chromic function

Rear Electronic Module (REM)
The REM is located in the luggage compartment behind the right-hand luggage compartment side trim panel.

The REM is involved with the following operations:
- fuel pump
- heated rear windshield
- rear exterior lighting
- luggage compartment lid release
- inertia fuel cut off switch
- passenger door locks

Rear Seat Module
The rear seat module is fitted behind the rear seat, or on the ski hatch blanking plate when the rear entertainment module is fitted.

The rear seat module is involved with the following operation:
- manual and memory movement of electric rear seats

Multifunction Voice Activated Module
The multifunction voice activated module is located in the luggage compartment behind the left-hand luggage compartment side trim panel. The multifunction voice activated module controls and processes all the voice commands given by the driver, then delivers this information to the audio unit, cellular phone, navigation and the climate control modules which then carry out these commands.

Microphone
The microphone is used for the cellular phone and to receive voice commands for the audio unit and climate control functions. The microphone supplies the information to the multifunction voice control module which processes the commands and supplies the necessary information to the correct modules.

Visual Feedback Message Center Display
This display keeps the driver informed of the function which is being selected or processed.

Audible Feedback Instrument Cluster
This audible tone informs the driver when the system is able to receive commands for processing.

Verbal Feedback Speakers
These speakers are utilized to confirm to the driver that his verbal command has been accepted and is being processed.

Steering Wheel Control VOICE/PHONE
Button This button is automatically configured by the audio unit depending on which systems are equipped on the vehicle. For additional information, refer to the Owner Guide.