GM Service Manual Online
For 1990-2009 cars only

Data List

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

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

ABS Active

ABS

No/Yes

No

ABS Relay Command

ABS

On/Off

On

ABS Relay Feedback

ABS

On/Off

On

ABS Warning Lamp

ABS

On/Off

Off

Brake Fluid Level

ABS

OK/Low

OK

Brake Switch Status

ABS

Applied/Released

Released

DRP Active

ABS

No/Yes

No

DRP Disabled

ABS

No/Yes

No

DRP Switched Battery Voltage

ABS

Volts

12V

Ignition Voltage

ABS

Volts

12V

Left Front Wheel Speed

ABS

mph/km/h

0

Left Rear Wheel Speed

ABS

mph/km/h

0

LF Inlet Valve Solenoid

ABS

Active/Inactive

Inactive

LF Outlet Valve Solenoid

ABS

Active/Inactive

Inactive

LR Inlet Valve Solenoid

ABS

Active/Inactive

Inactive

LR Outlet Valve Solenoid

ABS

Active/Inactive

Inactive

Pump Motor Commanded State

ABS

On/Off

Off

Pump Motor Feedback State

ABS

On/Off

Off

Red Brake Lamp

ABS

On/Off

Off

Right Front Wheel Speed

ABS

mph/km/h

0

Right Rear Wheel Speed

ABS

mph/km/h

0

RF Inlet Valve Solenoid

ABS

Active/Inactive

Inactive

RF Outlet Valve Solenoid

ABS

Active/Inactive

Inactive

Rough Road Parameter

ABS

g

0.00

RR Inlet Valve Solenoid

ABS

Active/Inactive

Inactive

RR Outlet Valve Solenoid

ABS

Active/Inactive

Inactive

Switched Battery Voltage

ABS

Volts

12V

Vehicle Speed

ABS

mph/km/h

0