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Scan Tool Data Definitions



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 engine torque is being delivered to only one axle.
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 and a brake fluid pressure differential is not present.
Digital SWPS Phase A
The scan tool displays Low/High. The scan tool displays Low when the Digital SWPS Phase A signal voltage is 0 volts.
Digital SWPS Phase B
The scan tool displays Low/High. The scan tool displays Low when the Digital SWPS Phase B signal voltage is 0 volts.
Delivered Torque
The scan tool displays 25 - 95%. The scan tool displays 25% when the powertrain control module (PCM) is providing 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.
Lateral Accelerometer Input
The scan tool displays 0 - 5 Volts. The Scan tool displays 2.5 Volts when lateral acceleration is 0 g.
Left Front Wheel Speed
The scan tool displays 3 - 257 km/h (2 - 160 mph). The scan tool displays 3 km/h (2 mph) when the vehicle is not moving or is moving at speeds less than or equal to 3 km/h (2 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.
LR Dump Valve Command
The scan tool displays On/Off. The scan tool displays On when the left rear dump valve solenoid is commanded ON.
LR Iso. Valve Command
The scan tool displays On/Off. The scan tool displays On when the left rear isolation valve solenoid is commanded ON.
Left Rear Wheel Speed
The scan tool displays 3 - 257 km/h (2 - 160 mph). The scan tool displays 3 km/h (2 mph) when the vehicle is not moving or is moving at speeds less than or equal to 3 km/h (2 mph).
Master Cylinder Pressure Sensor Input (kPa or psi)
The scan tool displays 0 - 13,800 kPa (0 - 2000 psi). The scan tool displays 0 kPa (0 psi) when the brake is released.
Master Cylinder Pressure Sensor Input (Volts)
The scan tool displays 0.50 - 4.5 volts. The scan tool displays 0.50 volts when the master cylinder pressure is low.
Pre-Charge Command
The scan tool displays On/Off. The scan tool displays On when the pre-charge pump is commanded ON.
Pre-Charge Feedback
The scan tool displays On/Off. The scan tool displays On when the pre-charge pump is energized.
Requested Torque
The scan tool displays 40 - 95%. The scan tool displays 40% when the electronic brake control module (EBCM) requests the minimum percentage of available torque in an attempt to eliminate wheel slip.
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 3 - 257 km/h (2 - 160 mph). The scan tool displays 3 km/h (2 mph) when the vehicle is not moving or is moving at speeds less than or equal to 3 km/h (2 mph).
RF Dump Valve Command
The scan tool displays On/Off. The scan tool displays On when the right rear 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 3 - 257 km/h (2 - 160 mph). The scan tool displays 3 km/h (2 mph) when the vehicle is not moving or is moving at speeds less than or equal to 3 km/h (2 mph).
Right Rear Wheel Speed
The scan tool displays 3 - 257 km/h (2 - 160 mph). The scan tool displays 3 km/h (2 mph) when the vehicle is not moving or is moving at speeds less than or equal to 3 km/h (2 mph).
RR Dump Valve Command
The scan tool displays On/Off. The scan tool displays On when the right rear dump valve solenoid is commanded ON.
RR Iso. Valve Command
The scan tool displays On/Off. The scan tool displays On when the right rear isolation valve solenoid is commanded ON.
Stability System Active
The scan tool displays Yes/No. The scan tool displays Yes when the VSES is active.
Stability System Enabled
The scan tool displays Yes/No. The scan tool displays Yes when the VSES is initialized and no VSES related DTCs are set.
Steering Wheel Sensor Signal
The scan tool displays 0.8 - 3.8 volts. The scan tool displays 2.5 volts when the steering wheel is centered with the front wheels directed straight ahead.
Steering Wheel Position
The scan tool displays -1260 degrees to +1260 degrees. The scan tool displays 0 degrees when the steering wheel is centered with the front wheels directed straight ahead.
System Voltage
The scan tool displays 9.0 - 17.5 volts. The scan tool displays the current battery positive voltage level at the EBCM.
TCS Iso. Valve Command
The scan tool displays On/Off. The scan tool displays Off when the TCS Iso. Valve is commanded OFF.
VSES Equipped
The scan tool displays Yes/No. The scan tool displays Yes when the vehicle has been equipped with vehicle stability enhancement system (VSES).
VSES Relay Command
The scan tool displays On/Off. The scan tool displays On when the VSES relay is commanded ON.
Yaw Rate Sensor Input
The scan tool displays 0 - 5 volts. The Scan tool displays 2.5 volts when yaw rate is 0 deg/sec.
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