GM Service Manual Online
For 1990-2009 cars only

ABS Data Definitions

The Data Display function contains lists of ABS data parameters. A brief description of all ABS data parameters available on the scan tool are listed below. The list is arranged in alphabetical order.

ABS Active: This parameter indicates if the ABS is currently in an ABS event or not.

ABS Warning Lamp: This indicates the state of the ABS indicator.

Brake Switch: This parameter indicates the state of the brake switch.

Ignition Voltage: This parameter indicates the ignition positive voltage at the EBCM.

Left Front Wheel Speed: Display shows actual wheel speed of the left front wheel.

Left Rear Wheel Speed: Display shows actual wheel speed of the left rear wheel.

LF Solenoid Commanded: This display indicates the commanded state of the left front solenoid valve.

LF Solenoid Monitor: This display indicates the actual state of the left front solenoid valve.

LR Solenoid Commanded: This display indicates the commanded state of the left rear solenoid valve.

LR Solenoid Monitor: This display indicates the actual state of the left rear solenoid valve.

Pump Motor Commanded: This display indicates the commanded state of the ABS pump motor.

Pump Motor Monitor: This display indicates the actual state of the ABS pump motor.

RF Solenoid Commanded: This display indicates the commanded state of the right front solenoid valve.

RF Solenoid Monitor: This display indicates the actual state of the right front solenoid valve.

Right Front Wheel Speed: Display shows actual wheel speed of the right front wheel.

Right Rear Wheel Speed: Display shows actual wheel speed of the right rear wheel.

RR Solenoid Commanded: This display indicates the commanded state of the right rear solenoid valve.

RR Solenoid Monitor: This display indicates the actual state of the right rear solenoid valve.

Valve Relay State: This parameter indicates the actual state of the solenoid valve relay.