GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF, Transmission in Neutral or Park, and Brake Unapplied

ABS Active

ABS

No/Yes

No

ABS Warning Lamp

ABS

On/Off

Off

Brake Switch

ABS

Applied/Released

Released

Ignition Voltage

ABS

Volts

Varies

Left Front Wheel Speed

ABS

mph/km/h

0

Left Rear Wheel Speed

ABS

mph/km/h

0

LF Solenoid Commanded

ABS

Active/Inactive

Inactive

LF Solenoid Monitor

ABS

Active/Inactive

Inactive

LR Solenoid Commanded

ABS

Active/Inactive

Inactive

LR Solenoid Monitor

ABS

Active/Inactive

Inactive

Pump Motor Commanded

ABS

On/Off

Off

Pump Motor Monitor

ABS

On/Off

Off

RF Solenoid Commanded

ABS

Active/Inactive

Inactive

RF Solenoid Monitor

ABS

Active/Inactive

Inactive

Right Front Wheel Speed

ABS

mph/km/h

0

Right Rear Wheel Speed

ABS

mph/km/h

0

RR Solenoid Commanded

ABS

Active/Inactive

Inactive

RR Solenoid Monitor

ABS

Active/Inactive

Inactive

Valve Relay State

ABS

On/Off

On