GM Service Manual Online
For 1990-2009 cars only
Table 1: Climate Control Panel
Table 2: Dash Integration Module
Table 3: Driver Door Module
Table 4: Instrument Panel Cluster
Table 5: Left Rear Door Module
Table 6: Lt. Headlamp Leveling Mod. (w/ TR7)
Table 7: Passenger Door Module
Table 8: Rear Integration Module
Table 9: Right Rear Door Module
Table 10: Rt. Headlamp Leveling Mod. (w/ TR7)

Climate Control Panel

Scan Tool Output Control

Additional Menu Selection(s)

Description

LCD Intensity

Special Functions--Miscellaneous Test

The HVAC control module activates its LCD backlighting for 5 seconds when you select ON.

LED Intensity

Special Functions--Miscellaneous Test

The HVAC control module activates its control button LED backlighting for 5 seconds when you select ON.

Dash Integration Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Daytime Running Lamps

Special Functions--Output Control

The DIM activates the daytime running lamp input to the turn signal/hazard flasher module for 5 seconds when you select ON. The daytime running lamps should illuminate for 5 seconds.

Front Fog Lamps

Special Functions--Output Control

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

High Beam - Flash to Pass

Special Functions--Output Control

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

High/Low Beam Relay

Special Functions--Output Control

The DIM activates either the LO BEAM relay or the HI BEAM 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.

Incandescent Dimming

Special Functions--Output Control

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

Lighting for Theft

Special Functions--Output Control

The DIM activates the hazard sense input to the turn/hazard/DRL module for 5 seconds when you select ON. The hazard lamps should illuminate for 5 seconds.

Parking Lamps Relay

Special Functions--Output Control

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

Driver Door Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Switch Dimming Feed

Special Functions--Output Control--Miscellaneous Tests

The Driver Door Module illuminates the door switch incandescent lamps for 5 seconds when you select ON.

Instrument Panel Cluster

Scan Tool Output Control

Additional Menu Selection(s)

Description

Cluster Dimming

Special Functions--Output Control

Increases and decreases instrument cluster dimming.

Display Test

Special Functions--Output Control

The instrument panel cluster activates the Display Test for 5 seconds when you select ON. The indicators should illuminate for 5 seconds.

Left Rear Door Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Switch Dimming Feed

Special Functions--Output Control--Miscellaneous Tests

The Left Rear Door Module illuminates the door switch incandescent lamps for 5 seconds when you select ON.

Lt. Headlamp Leveling Mod. (w/ TR7)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Headlamp Motor Test

Special Functions--Output Control

The left headlamp leveling module moves the left headlamp leveling motor up for 5 seconds when you select UP, then centers the motor. The left headlamp leveling module moves the left headlamp leveling motor down for 5 seconds when you select DOWN, then centers the motor.

Passenger Door Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Switch Dimming Feed

Special Functions--Output Control--Miscellaneous Tests

The Passenger Door Module illuminates the door switch incandescent lamps for 5 seconds when you select ON.

Rear Integration Module

Scan Tool Output Control

Additional Menu Selection(s)

Description

Courtesy Lamp 1,2 w/dim

Special Functions--Output Control

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 wo/dim

Special Functions--Output Control

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.

Inadvertent Power Relay

Special Functions--Output Control

The RIM deactivates the inadvertent power for 5 seconds when you select OFF. The interior lamps should be inoperative for 5 seconds.

Rear Fog Lamp Relay

Special Functions--Output Control

The RIM activates the rear fog lamp relay for 5 seconds when you select ON. The rear fog lamps should illuminate for 5 seconds.

Reverse Lamp Relay

Special Functions--Output Control

The RIM activates the reverse lamp 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

Special Functions--Output Control--Miscellaneous Tests

The Right Rear Door Module illuminates the door switch incandescent lamps for 5 seconds when you select ON.

Rt. Headlamp Leveling Mod. (w/ TR7)

Scan Tool Output Control

Additional Menu Selection(s)

Description

Headlamp Motor Test

Special Functions--Output Control

The right headlamp leveling module moves the right headlamp leveling motor up for 5 seconds when you select UP, then centers the motor. The right headlamp leveling module moves the right headlamp leveling motor down for 5 seconds when you select DOWN, then centers the motor.