GM Service Manual Online
For 1990-2009 cars only
Software Part Number: Part number of component program or the ECU. Used to determine applicability to vehicle RPO content.

Accessory Switch: Input from ignition switch Accessory circuit. Used to determine power mode. Hot in ACCESSORY and RUN.

Driver Door Open Sw.: Input from the driver door indicating door status (Open-Closed).

Door Ajar Switches: Input showing state of the passenger door(s).

Doors Battery Fd: Indicates completion of the power circuit for the door control functions.

Doors System Gnd: Indicates the completion state of the ground circuit for the door functions.

Electronics Battery Fd: Data indicates the voltage detected by the control module on the power circuit for the module internal devices.

Electronics Battery Fd: Input indicates the completion state of the power circuit for the module internal devices.

Electronics System Gnd: Indicates the completion state of the ground circuit for the module internal devices.

Ignition 0: Input to the control module from the ignition switch indicating the Ignition 0 position. Switch closed (HOT) in ignition switch positions Unlock, Accessory, Run, Crank.

Ignition 1: Input to the control module from the ignition switch indicating the Ignition 1 position. Switch closed (HOT) in ignition switch positions Run, Crank.

Inadvertent Power Output: Input indicating the sensed state of the inadvertent power request circuit.

Inadvertent Power Relay: Output indicating the state as commanded by the control module.

Lamp Request: Input telling the control module to initiate inadvertent power management.

Load Management Status: Output indicating the power mode commanded.

Loads Battery Fd: Indicates the completion state of the supply circuit for the high current loads.

Loads System Gnd: Indicates completion state of the ground circuit for the high current loads.

Pass Door Jamb Sw.: Input showing the state of the front passenger door.

RAP Relay: Output indicates state that the control module has commanded.