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 approximately 5 seconds.

Lighting For Theft

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

The dash integration module (DIM) actuates the park lamps when you select ON. The park lamps should come ON for approximately 5 seconds.