GM Service Manual Online
For 1990-2009 cars only

Dash Integration Module (DIM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Daytime Running Lamps

--

The DIM activates the DRL relay for 5 seconds when you select ON. The daytime running lamps should illuminate for 5 seconds.

Front Fog Lamps

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The DIM activates the FOG LP relay for 5 seconds when you select ON. The front fog lamps should illuminate for 5 seconds.

High Beam Relay

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The DIM activates the HDLP HI BM relay for 5 seconds when you select ON. The high beam headlamps should illuminate for 5 seconds.

Incandescent Dimming

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The DIM activates the incandescent backlighting lamps when you select ON. The incandescent backlighting lamps should illuminate for 5 seconds.

Low/High Beam Relay

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The DIM activates either the HDLP LO BM relay or the HDLP HI BM relay for 5 seconds when you select ON, depending on the position of the headlamp dimmer switch. Either the low beam headlamps or the high beam headlamps should illuminate for 5 seconds.

Parking Lamps Relay

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The DIM activates the PRK LP relay for 5 seconds when you select ON. The park lamps should illuminate for 5 seconds.

Position Lamp Relay (Export)

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The DIM activates the STANDING LP relay for 5 seconds when you select ON. The position lamps should be inoperative for 5 seconds.

Driver Door Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Switch Dimming Feed

Miscellaneous Test

The Driver Door Module illuminates the door switch incandescent lamps for 5 seconds.

Instrument Cluster (IPC)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Display(s) Test

--

The IPC activates the display(s) test for 5 seconds when you select ON. All indicators, VF display segments, climate control panel, and radio should illuminate for 5 seconds.

Left Rear Door Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Switch Dimming Feed

Miscellaneous Test

The Left Rear Door Module illuminates the door switch incandescent lamps for 5 seconds.

Passenger Door Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Switch Dimming Feed

Miscellaneous Test

The Passenger Door Module illuminates the door switch incandescent lamps for 5 seconds.

Rear Integration Module (RIM)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Courtesy Lamp #1, #2 w/Dim

--

The RIM activates the courtesy lamps for 5 seconds when you select ON. The courtesy lamps should illuminate for 5 seconds.

The courtesy lamps will turn off through the theater dimming feature if you select OFF before the 5 second period has elapsed.

Courtesy Lamp #1, #2 w/o Dim

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The RIM activates the courtesy lamps for 5 seconds when you select ON. The courtesy lamps should illuminate for 5 seconds.

The courtesy lamps will turn off immediately if you select OFF before the 5 second period has elapsed.

Interior Lamp Relay

--

The RIM deactivates the INT LP relay for 5 seconds when you select OFF. The interior lamps should be inoperative for 5 seconds.

Reverse Lamp Relay

--

The RIM activates the REVERSE relay for 5 seconds when you select ON. the backup lamps should illuminate for 5 seconds.

Right Rear Door Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Switch Dimming Feed

Miscellaneous Test

The Right Rear Door Module illuminates the door switch incandescent lamps for 5 seconds.