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 Cmd: The scan tool displays On/Off. The scan tool displays On when the
red brake warning indicator is commanded ON.
Diff. Pressure/Fluid Level: The scan tool displays Ok/Low. The scan tool displays Ok when the
brake fluid reservoir has an adequate fluid level.
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.
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).
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).