GM Service Manual Online
For 1990-2009 cars only

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

ABS Relay Command: The scan tool displays On or Off - The scan tool displays On during vehicle operation. The EBCM commands the ABS relay On when Ignition positive voltage is present.

ABS Warning Lamp: The scan tool displays Off or On - The scan tool displays whether or not the ABS warning indicator is currently being commanded ON.

Battery Voltage: The scan tool displays 0 to 17 Volts - The scan tool displays the level of battery voltage at the EBCM.

Brake Switch: The scan tool displays Off or On - The scan tool displays the state of the brake switch.

Brake Warning Lamp Cmd: The scan tool displays On or Off - The scan tool displays the commanded state of the red brake warning indicator.

Ignition Voltage: The scan tool displays 0-17 Volts - The scan tool displays the level of ignition positive voltage at the EBCM.

Left Front ABS Motor: The scan tool displays Forward or Reverse - The scan tool displays the direction in which the left front ABS motor is being commanded.

Left Front ABS Motor Cmd: The scan tool displays Amps - The scan tool displays the amount of commanded current to the left front ABS motor.

Left Front ABS Motor Fd: The scan tool displays Amps - The scan tool displays the amount of feedback current from the left front ABS motor.

Left Front Solenoid Cmd: The scan tool displays On or Off - The scan tool displays the commanded state of the left front solenoid.

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.

Rear ABS Motor Cmd: The scan tool displays Amps - The scan tool displays the amount of commanded current to the rear ABS motor.

Rear ABS Motor Feedback: The scan tool displays Amps - The scan tool displays the amount of feedback current from the rear ABS motor.

Right Front ABS Motor: The scan tool displays Forward or Reverse - The scan tool displays the direction in which the right front ABS motor is being commanded.

Right Front ABS Motor Cmd: The scan tool displays Amps - The scan tool displays the amount of commanded current to the right front ABS motor.

Right Front ABS Motor Fd: The scan tool displays Amps - The scan tool displays the amount of feedback current from the right front ABS motor.

Right Front Solenoid Cmd: The scan tool displays On or Off - The scan tool displays the commanded state of the right front 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 right rear wheel.

Steering Wheel Position: The scan tool displays 0 to 5 Volts - The scan tool displays the position of the steering wheel in volts.

Vehicle Speed: The scan tool displays 0-255 km/h or 0-158 mph - This parameter displays the vehicle speed. The Powertrain Control Module (PCM) receives reference pulses from the Vehicle Speed Sensor (VSS) and converts them into km/h or MPH for display.