GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Information Center Scan Tool Data Parameters
Table 2: Driver Information Center Scan Tool Output Controls

Driver Information Center Scan Tool Data Parameters

Parameter

Expected Value

Definition

Operating Conditions: Ignition ON

Display Backlighting Level

Varies

The scan tool displays 0-100%. This is the current level of the display backlighting as controlled from the dimmer switch.

Display Odometer Switch

No

The scan tool displays Yes/No. The DIC monitors the display odometer switch. A closed switch is displayed as Yes.

Fuel Switch

No

The scan tool displays Yes/No. This is the state of the driver information center (DIC) fuel switch. A closed switch is displayed as Yes.

Gauge Switch

No

The scan tool displays Yes/No. This is the state of the DIC gage switch. A closed switch is displayed as Yes.

Options Switch

No

The scan tool displays Yes/No. This is the state of the DIC options switch. A closed switch is displayed as Yes in the scan tool.

Reset Switch

No

The scan tool displays Yes/No. This is the state of the DIC reset switch. A closed switch is displayed as Yes in the scan tool.

Switch Backlighting

Varies

The scan tool displays percent (%). This is the state of the switch backlighting as controlled from the dimming switch.

Driver Information Center Scan Tool Output Controls

Scan Tool Output Control

Description

Fuel Button

The DIC shows fuel info when selected.

Gauge Button

The DIC shows gauge info when selected.

Options Button

The DIC shows the options menu when selected.

Reset Button

The DIC resets values or returns to the main menu when selected.

Trip Button

The DIC shows the trip computer when selected.

Display Backlight Level

The DIC varies the backlight level intensity when selected.

Switch Backlight Level

The DIC varies the switch backlight level when selected.