GM Service Manual Online
For 1990-2009 cars only

The ABS scan tool data definitions contain a brief description of all ABS related parameters available on the scan tool. The parameters available on the scan tool are listed below in alphanumeric order.

ABS Active: The scan tool displays Yes/No. The scan tool displays No when a when not active.

ABS Failed: The scan tool displays On/Off. The scan tool displays On when a when the ABS Failed.

Brake Fluid Level Status: The scan tool displays OK/Low The scan tool indicates Low when the brake fluid sensor detects fluid lose.

BPP Signal: The scan tool will display Released/Applied depending on the state of the brake pedal position.

Battery Voltage Signal: The scan tool will display Voltage depending on the state of the battery and charging system.

DRP Active: The scan tool will display Yes/No depending on the state of the DRP.

DRP Disabled: The scan tool will display Yes/No depending on the state of the DRP.

Engine Drag Control Failed:: The scan tool displays No or Yes. The scan tool will display Yes when the ED is active and No during normal vehicle operation.

LF Wheel Speed Sensor: The scan tool displays 0-327 km/h (0-204 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving.

LR Wheel Speed Sensor: The scan tool displays 0-327 km/h (0-204 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving.

LF Outlet Valve Command: The scan tool displays Active/Inactive. The scan tool displays Active when the left front Outlet valve solenoid is commanded on.

LR Outlet Valve Command: The scan tool displays Active/Inactive. The scan tool displays Active when the left front Outlet valve solenoid is commanded on.

Panic Brake Assist Failed:: The scan tool displays No/Yes. The scan tool displays No when the Panic brake assist functions properly.

Pump Motor Command Voltage: The scan tool displays battery voltage when the pump motor is commanded on.

RF Outlet Valve Command: The scan tool displays Active/Inactive. The scan tool displays Active when the right front Outlet valve solenoid is commanded on.

RF Inlet Valve Command: The scan tool displays Active/Inactive. The scan tool displays Active when the right front Inlet valve solenoid is commanded on.

RF Wheel Speed Sensor: The scan tool displays 0-327 km/h (0-204 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving.

RR Wheel Speed Sensor: The scan tool displays 0-327 km/h (0-204 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving.

RR Outlet Valve Command: The scan tool displays Active/Inactive. The scan tool displays Active when the right front Inlet valve solenoid is commanded on.

RR Inlet Valve Command: The scan tool displays Active/Inactive. The scan tool displays Active when the right front Inlet valve solenoid is commanded on.