Body Control System

BODY CONTROL SYSTEM DESCRIPTION AND OPERATION

DASH INTEGRATION MODULE (DIM)
The various DIM input and output circuits are described in the corresponding functional areas as indicated on the DIM electrical schematics.

The DIM functions include the following:
- Class 2 communication requiring DIM interaction.
- Control of exterior lamps.
- Control of front fog lights.
- Control of the headlights.
- Headlamps on with wiper input.
- Hood ajar switch input w/export.
- Horn relay control.
- Interior lamps incandescent dimming.
- Low side temperature for HVAC compressor.
- Power moding control over Class 2 serial data circuit.
- Reverse lockout solenoid control.
- Steering wheel controls input.
- Storage of the clock settings and, sending a message out on the class 2 serial data circuit in response to requests from other modules.

INSTRUMENT PANEL INTEGRATION MODULE (IPM)
The various IPM input and output circuits are described in the corresponding areas as indicated on the IPM electrical schematics.

The IPM functions include the following:
- 54 volt VF display input
- Ambient light sensor input
- Class 2 communication requiring IPM interaction
- Fog lamp switch inputs
- Front HVAC air delivery controls
- Front HVAC sensor inputs
- Front HVAC temperature controls
- Fuel door and rear compartment lid release switch input
- Hazard switch input
- HUD active control
- Instrument panel lamps dimmer switch input
- Ignition switch headlight control
- Interior lamps switch input
- Key in ignition switch input
- Traction control switch input
- Twilight sentinel delay input

REAR INTEGRATION MODULE (RIM)
The various RIM inputs and outputs are described in the corresponding functional areas as indicated on the RIM electrical schematics.

The RIM functions include the following:
- Automatic level control
- CIGAR relay control
- Class 2 communication requiring RIM interaction
- Content theft deterrent
- Fuel door control
- Fuel level sensor input
- Heated seat control
- HVAC blower control
- LK/CYL relay control
- Park brake relay control
- Rear defog relay control
- Rear park assist chime control
- Retained accessory power (RAP) relay control
- Reverse relay control
- Transmission shift inhibit
- Trunk release relay control
- Various controls for the interior lamps