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 module is located behind the driver side 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 Electronic Module (REM)
The REM module is located in the passenger side luggage compartment behind the luggage compartment side trim panel.

The REM module is involved with the following operations:
- Fuel pump
- Heated rear windshield
- Rear exterior lighting
- Rear view mirrors electro chromic function
- Luggage compartment lid release
- Inertia fuel cut off switch
- Passenger door locks

Multifunction Voice Control Module
The multifunction voice control module is located in the driver side luggage compartment behind the 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 proceeded.

Steering Wheel Controls VOICE/PHONE Buttons
This button is automatically configured by the audio unit depending on which systems are equipped on the vehicle.