Dash Integration Module (DIM)

WARNING: This page is about a different car, the 2002 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.

The DIM is wired to the class 2 serial data circuit. The various DIM input and output circuits are described in the corresponding functional areas as indicated on the DIM electrical schematics.

The dash integration module (DIM) functions include the following:

Control of exterior lamps.
Hood ajar switch input w/export.
Horn relay control for theft activation.
Interior lamps and incandescent dimming.
Low side temperature for the HVAC compressor.
Power moding control over class 2 serial data circuit.
Steering wheel controls.
Storage of the clock settings and, sending a message out on the class 2 serial data circuit in response to requests from other modules.