Scan Tool Data Definitions

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: The scan tool displays Enabled/Disabled. The scan tool displays Disabled when a current ABS disabling DTC is stored.
Brake Fluid Level: The scan tool displays Ok/Low. The scan tool displays Ok when the brake fluid level in the master cylinder reservoir is not detected as Low.
Brake Switch Status: The scan tool displays On/Off. The scan tool displays On when the brake is applied.
Ignition Voltage: The scan tool displays 0-18 Volts. The scan tool displays approximately 12 Volts when the ignition is ON.
Left Front Wheel Speed: 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 or is moving at speeds less than or equal to 0 km/h (0 mph).
Left Rear Wheel Speed: 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 or is moving at speeds less than or equal to 0 km/h (0 mph).
LF Dump Valve Command: The scan tool displays On/Off. The scan tool displays On when the left front dump valve solenoid is commanded on.
LF ISO Valve Command: The scan tool displays On/Off. The scan tool displays On when the left front isolation valve solenoid is commanded on.
Low Traction Lamp Command: The scan tool displays On/Off. The scan tool displays On when the low traction indicator is commanded on.
LR Dump Valve Command: The scan tool displays On/Off. The scan tool displays On when the left front dump valve solenoid is commanded on.
LR ISO Valve Command: The scan tool displays On/Off. The scan tool displays On when the left front isolation valve solenoid is commanded on.
RF Dump Valve Command: The scan tool displays On/Off. The scan tool displays On when the right front dump valve solenoid is commanded on.
RF ISO Valve Command: The scan tool displays On/Off. The scan tool displays On when the right front isolation valve solenoid is commanded on.
Right Front Wheel Speed: 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 or is moving at speeds less than or equal to 0 km/h (0 mph).
Right Rear Wheel Speed: 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 or is moving at speeds less than or equal to 0 km/h (0 mph).
RR Dump Valve Command: The scan tool displays On/Off. The scan tool displays On when the right front dump valve solenoid is commanded on.
RR ISO Valve Command: The scan tool displays On/Off. The scan tool displays On when the right front isolation valve solenoid is commanded on.
Service Brake Soon Lamp: The scan tool displays On/Off. The scan tool displays On when the service auxiliary brake indicator is commanded on.
Traction Control Active: The scan tool displays Yes/No. The scan tool displays Yes when a TCS event is taking place.
Traction Control System: The scan tool displays Enabled/Disabled. The scan tool displays Enabled when the traction control system is enabled.
Traction Off Lamp Command: The scan tool displays On/Off. The scan tool displays On when the traction off indicator is commanded on.
Traction Control Isolation Valve Command: The scan tool displays On/Off. The scan tool displays On when the TCS isolation valve solenoid is commanded on.