GM Service Manual Online
For 1990-2009 cars only

Dash Integration Module (DIM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Horn Relay

After selecting the module, select Special Functions and then select Output Control

The Dash Integration module (DIM) actuates the horn relay when you select ON. The horn should sound for approx. 5 seconds.

Lighting For Theft

After selecting the module, select Special Functions and then select Output Control

The Dash Integration module (DIM) actuates the exterior lights when you select ON. The exterior lights should come on for approx. 5 seconds.