Scan Tool Data Definitions

WARNING: This page is about a different car, the 2004 Chevrolet Monte Carlo and 2004 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

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.
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 state of the Ignition 0 signal.
Ignition 1: Input to the control module from the ignition switch indicating the state of the Ignition 1 signal.
Key Cylinder Unlock: Input from front door key cylinders.
Key in Ignition: Input from ignition switch indicating that the ignition key is inserted into the ignition switch. HOT with key in ignition and ignition switch position LOCK.
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.
Restraints ID: Indicates the type of restraint system on the vehicle and recognized by the control module.