Dash Integration Module (DIM)

WARNING: This page is about a different car, the 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

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.