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Scan Tool Data Definitions: Inputs

WARNING: This page is about a different car, the 2004 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy Lamp Relay

The scan tool displays the State of the courtesy lamp relay. The scan tool displays ON when the switch is turned ON. The scan tool also displays On when the park lamp input indicates On.

Courtesy Lamp Switch

The scan tool displays the position of the courtesy lamp switch. The scan tool displays Active when the switch is turned ON. The BCM uses this data in controlling the operation of the courtesy lamps.

Dimming Enable

The scan tool displays if the dimming feature of the module is enabled or disabled. The scan tool displays On when the dimming feature of the module is enabled.

Door Ajar Switch

The scan tool displays Off when the drivers door is fully closed or On when the drivers door is open or ajar.

DRL Disable Switch

The scan tool displays the position of the daytime running lamp (DRL) disable switch. The scan tool displays Active when the DRL disable switch is pressed and Inactive when released. The BCM uses this data in controlling the operation of the automatic lamp control (ALC) and DRL.

Flash to Pass Switch

The scan tool displays the position of the flash to pass switch. The scan tool displays On when the switch is pulled to activate the high beams momentarily while the switch is held.

Front Wipers Active

The scan tool displays the position of the front wiper switch. The scan tool displays Yes when the front wiper switch is in the ON position. The BCM uses this data in controlling the operation of the automatic lamp control (ALC).

Headlamp Switch

The scan tool displays the position of the headlamp switch. The scan tool displays Active when the headlamp switch is in the ON position. The BCM uses this data in controlling the operation of the headlamps.

High Beam Switch

The scan tool displays the position of the high beam switch. The scan tool displays On when the switch is used to activate the high beams.

Ignition 0

The scan tool displays the position of the ignition switch. The scan tool displays On when the ignition switch is in the RUN or CRANK position.

Ignition 1

The scan tool displays the position of the ignition switch. The scan tool displays On when the ignition switch is in the RUN or CRANK position.

Ignition Accessory

The scan tool displays the position of the ignition switch. The scan tool displays Active when the ignition switch is in the ACCESSORY position only.

Inadvertent Power Relay

The scan tool displays the state of the inadvertent power battery rundown protection feature of the BCM. The scan tool displays Off when all inadvertent power circuits are functioning normally.

Interior Lamp Defeat Switch

The scan tool displays the position of the courtesy/dome lamp override switch. The scan tool displays On when the switch is activated requesting the BCM to override the normal interior lamp activation inputs and deactivate the interior lighting.

Left Rear/Rear Cargo Door

The scan tool displays Off when the left rear door is fully closed or On when the door is ajar or open.

Park Lamp Switch

The scan tool displays the position of the park lamp switch. The scan tool displays Active when the park lamp switch is in the ON position. The BCM uses this data in controlling the operation of the park lamps.

Right Rear Door Ajar Switch

The scan tool displays Off when the right rear door is fully closed or On when the right rear door is open or ajar.