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/TCS 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
    • NORMAL MODE
    • SYSTEM CONFIGURATION
ABS Failed: The scan tool will display Yes/No. This will indicate if the ABS has failed.

ABS Pump Motor: The scan tool displays On or Off - This parameter indicates the state of the ABS pump motor.

ABS Warning Lamp: The scan tool will display On or Off depending on the state of the ABS indicator.

Brake Light Switch: The scan tool displays Applied or Released - The scan tool displays the state of the brake light switch.

Brake Switch: The scan tool displays Applied or Released - The scan tool displays the state of the brake switch.

Delivered Torque: The scan tool displays in N-m the amount of torque delivered.

DRP Disabled: The scan tool will display Yes/No. This will indicate if the DRP has been disabled.

Eng. Torque Request: The scan tool displays in N-m the requested engine torque.

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 Active or Inactive. The scan tool displays the commanded state of the LF inlet valve solenoid.

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

Low Trac: TCS Active: The scan tool displays Off or On. The scan tool displays On if the TCS indicator is currently being commanded ON.

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

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

Rear TCS Isolation Solenoid: The scan tool displays Active or Inactive. The scan tool displays the commanded state of the rear TCS isolation valve solenoid.

Rear TCS Prime Solenoid: The scan tool displays Active or Inactive. The scan tool displays the commanded state of the rear TCS prime valve solenoid.

Requested Torque: The scan tool displays in N-m the requested torque.

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

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

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 rear wheels.

RR Inlet Valve Solenoid: The scan tool displays Active or Inactive. The scan tool displays the commanded state of the RF inlet valve solenoid.

RR Outlet Valve Solenoid: The scan tool displays Active or Inactive. The scan tool displays the commanded state of the RF outlet valve solenoid.

TCS Failed: The scan tool will display Yes/No. This will indicate if the TCS has failed.

TCS Switch State: The scan tool displays Pressed/Released. The scan tool will display the state of the Traction Control Switch.

TCS Warning Lamp: The scan tool will display On or Off depending on the state of the TCS indicator.

Traction Control Equipped: The scan tool will display Yes/No. This will indicate if the vehicle is equipped with TCS.

Valve Relay State: The scan tool displays On or Off - This parameter indicates the state of the valve relay.

VSES Equipped: The scan tool will display Yes/No. This will indicate if the vehicle is equipped with VSES.