GM Service Manual Online
For 1990-2009 cars only

Data Display/Definitions

The Scan Tool Data Display/Definitions contains a brief description of all the ABS data parameters. The menus available depend on the number and type of system on the vehicle and are listed below in alphanumeric order.

    • ABS DATA
    • TCS DATA
Battery Voltage: The scan tool will display the battery voltage at the EBCM.

Brake Lamp Switch: The scan tool will display Applied or Released depending on the state of the brake switch.

Delivered Engine Torque: The scan tool will display .

Engine Speed: The scan tool will display between 0 to 10200 RPM which is a digital tachometer display.

Left Front Wheel Speed: The scan tool displays 0-255 km/h or (0-158 mph). The scan tool displays the actual speed of the left front wheel.

Left Rear Wheel Speed: The scan tool displays 0-255 km/h or (0-158 mph). The scan tool displays the actual speed of the left rear wheel.

LF Inlet Valve Solenoid: The scan tool will display Apply or Released. The scan tool displays the commanded state of the LF inlet solenoid valve.

LF Outlet Valve Solenoid: The scan tool will display Apply or Released. The scan tool displays the commanded state of the LF outlet solenoid valve.

LF Valve Solenoid: The scan tool will display Apply or Released. The scan tool displays the commanded state of the LF solenoid valve.

LR Inlet Valve Solenoid: The scan tool displays Apply or Released. The scan tool displays the commanded state of the LR inlet solenoid valve.

LR Outlet Valve Solenoid: The scan tool displays Apply or Released. The scan tool displays the commanded state of the LR outlet solenoid valve.

LR Valve Solenoid: The scan tool will display Apply or Released. The scan tool displays the commanded state of the LR solenoid valve.

RF Inlet Valve Solenoid: The scan tool displays Apply or Released. The scan tool displays the commanded state of the RF inlet solenoid valve.

RF Outlet Valve Solenoid: The scan tool displays Apply or Released. The scan tool displays the commanded state of the RF outlet solenoid valve.

RF Valve Solenoid: The scan tool will display Apply or Released. The scan tool displays the commanded state of the RF solenoid valve.

Return Pump Motor Relay: The scan tool will display On or Off.

Right Front Wheel Speed: The scan tool displays 0-255 km/h or (0-158 mph). The scan tool displays the actual speed of the right front wheel.

Right Rear Wheel Speed: The scan tool displays 0-255 km/h or (0-158 mph). The scan tool displays the actual speed of the right rear wheel.

RR Inlet Valve Solenoid: The scan tool displays Apply or Released - The scan tool displays the commanded state of the RR inlet solenoid valve.

RR Outlet Valve Solenoid: The scan tool displays Apply or Released - The scan tool displays the commanded state of the RR outlet solenoid valve.

RR Valve Solenoid: The scan tool displays Apply or Released - The scan tool displays the commanded state of the RR solenoid valve.

TCS Switch State: The scan tool displays On or Off. The scan tool will display the state of the Traction Control Switch.

Valve Relay: The scan tool displays .

Valve Relay State: The scan tool will display On/Off depending on the state of the relay.