Scan Tool Data Definitions
Antilock Brake System
Diagnostic Information and Procedures
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.
4WD Status
The scan tool displays Two-wheel drive/Four wheel drive. The scan tool displays Two-wheel drive when the transfer case is shifted into two wheel drive.
ABS Lamp Command
The scan tool displays On/Off. The scan tool displays On when the ABS indicator is commanded on.
ABS Pump Motor
The scan tool displays On/Off. The scan tool displays On when the ABS pump motor is commanded on.
ABS Relay Command
The scan tool displays On/Off. The scan tool displays On when the system relay is commanded on.
ABS Stop State
The scan tool displays On/Off. The scan tool displays On when the ABS is active.
Brake Switch Status
The scan tool displays On/Off. The scan tool displays On when the brake is applied.
Brake Warning Lamp Command
The scan tool displays On/Off. The scan tool displays On when the red brake warning indicator is commanded on.
Diff. Pressure/Fluid Level Switch
The scan tool displays Ok/Low. The scan tool displays Ok when the brake fluid reservoir has an adequate fluid level.
Delivered Torque
The scan tool displays 25-95%. The scan tool displays 25% when the PCM provides the minimum percentage of available torque in an attempt to eliminate wheel slip.
DRP Active
The scan tool displays Yes/No. The scan tool displays Yes when the DRP is active.
Left Front Wheel Speed
The scan tool displays 5-257 km/h (3-160 mph). The scan tool displays 5 km/h (3 mph) when the vehicle is not moving or is moving at speeds less than or equal to 5 km/h (3 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 Dump Valve Feedback
The scan tool displays On/Off. The scan tool displays On when the left front dump valve solenoid is energized.
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.
LF ISO Valve Feedback
The scan tool displays On/Off. The scan tool displays On when the left front isolation valve solenoid is energized.
Low Traction Lamp Command
The scan tool displays On/Off. The scan tool displays On when the low traction indicator is commanded on.
Rear Dump Valve Command
The scan tool displays On/Off. The scan tool displays On when the rear dump valve solenoid is commanded on.
Rear Dump Valve Feedback
The scan tool displays On/Off. The scan tool displays On when the rear dump valve solenoid is energized.
Rear ISO Valve Command
The scan tool displays On/Off. The scan tool displays On when the rear isolation valve solenoid is commanded on.
Rear ISO Valve Feedback
The scan tool displays On/Off. The scan tool displays On when the rear isolation valve solenoid is energized.
Rear Wheel Speed
The scan tool displays 5-257 km/h (3-160 mph). The scan tool displays 5 km/h (3 mph) when the vehicle is not moving or moving at speeds less than or equal to 5 km/h (3 mph).
Requested Torque
The scan tool displays 40-95%. The scan tool displays 40% when the EBCM requests the minimum percentage of available torque in an attempt to eliminate wheel slip.
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 Dump Valve Feedback
The scan tool displays On/Off. The scan tool displays On when the right front dump valve solenoid is energized.
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.
RF ISO Valve Feedback
The scan tool displays On/Off. The scan tool displays On when the right front isolation valve solenoid is energized.
Right Front Wheel Speed
The scan tool displays 5-257 km/h (3-160 mph). The scan tool displays 5 km/h (3 mph) when the vehicle is not moving or moving at speeds less than or equal to 5 km/h (3 mph).
Traction Control Active
The scan tool displays Yes/No. The scan tool displays Yes when the traction control system is active.
Traction Control Enabled
The scan tool displays Yes/No. The scan tool displays Yes when the traction control system is enabled.
Traction Control Equipped
The scan tool displays Yes/No. The scan tool displays Yes when the vehicle is equipped with traction control.
Traction Control Slip
The scan tool displays Yes/No. The scan tool displays Yes when the rear wheel slip occurs during acceleration.
Traction Off Lamp Command
The scan tool displays On/Off. The scan tool displays On when the traction off indicator is commanded on.