GM Service Manual Online
For 1990-2009 cars only

Scan Tool Output Control

Additional Menu Selection(s)

Description

All Doors Unlock

Door Lock Test

The BCM commands the Door Lock Relay to unlock all vehicle doors.

Brake to Shift Telltale

Miscellaneous Test

The BCM will illuminate the Brake To Shift indicator on the Instrument Panel.

Clear Alarm Information

Miscellaneous Test

Clears all alarm condition previously set. Clearing alarms allows for detection of new alarm conditions.

Daytime Running Lamps

Light Test

The BCM turns the Daytime Running Lamps On/Off by controlling the LH and RH Headlamp Relays and the Daytime Running Lamp Relay.

Delay Interior Lights

Light Test

The BCM will enable/disable the interior lights by turning the Delayed Interior Lamps Relay On/Off.

Door Lock

Door Lock Test

The BCM commands the Door Lock Relay to lock all vehicle doors.

Driver Door Unlock

Door Lock Test

The BCM commands the Door Lock Relay to unlock only the driver door.

Exterior Lamps

Light Test

The BCM turns On/Off the control of the Low Beam and Park Lamp relays, disabling the exterior lights.

Four Key Fobs

Program Key Fobs

Allows the scan tool to program four key fobs for Keyless Entry.

Fuel Door Release

Miscellaneous Test

The BCM will activate the Fuel Door Release Relay, opening the Fuel Tank Filler Door.

Head Lamps Require Telltale

Miscellaneous Test

The BCM will illuminate the Headlamps On Required indicator on the Instrument Panel.

High Beams

Light Test

The BCM turns the High Beam Headlamps On/Off by controlling the LH and RH Headlamp Relays, the Low Beam Relay and the Daytime Running Lamp Relay.

Horn

Miscellaneous Test

The BCM will command the Horn Relay On/Off causing the horn to sound.

Interior Lamps

Light Test

The BCM will turn the interior lights On/Off by controlling the Interior Lamps Relay.

Low Beams

Light Test

The BCM turns the Low Beam Headlamps On/Off by controlling the LH and RH Headlamp Relays, the Low Beam Relay and the Daytime Running Lamp Relay.

One Key Fob

Program Key Fobs

Allows the scan tool to program one key fob for Keyless Entry.

Parking Lamps

Light Test

The BCM will turn the Parking Lamps On/Off by controlling the Parking Lamp Relay.

Rear Compartment Lid Release

Miscellaneous Test

The BCM will activate the Trunk Release Relay, opening the Rear Compartment Lid.

Security Telltale

Miscellaneous Test

The BCM will illuminate the Security indicator lamp on the Instrument Panel.

Three Key Fobs

Program Key Fobs

Allows the scan tool to program three key fobs for Keyless Entry.

Twilight Telltale

Miscellaneous Test

The BCM will illuminate the Twilight indicator on the Instrument Panel.

Two Key Fobs

Program Key Fobs

Allows the scan tool to program two key fobs for Keyless Entry.