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 that are
available on the scan tool are listed below in alphabetical order.
4WD Status: The scan tool displays 2WD/4WD. The scan tool displays 2WD 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 being commanded on.
ABS Pump Motor: The scan tool displays On/Off. The scan tool displays On when the
ABS pump motor is being commanded on.
ABS Relay Command: The scan tool displays On/Off. The scan tool displays On when the
ABS relay is being commanded on.
ABS Stop State: The scan tool displays On/Off. The scan tool displays On when the
ABS system is experiencing an ABS event.
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
brake warning indicator is being commanded on.
Diff. Pressure Switch: The scan tool displays Ok/Low. The scan tool displays Ok when the
differential pressure switch is not detecting a hydraulic pressure difference
in the brake system.
Delivered Torque: The scan tool displays 25-95%. The scan tool displays 25%
when the 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.
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 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 is being commanded on.
LF Dump Valve Feedback: The scan tool displays On/Off. The scan tool displays On when the
left front dump valve feedback signal indicates that 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 is being commanded on.
LF ISO Valve Feedback: The scan tool displays On/Off. The scan tool displays On when the
left front isolation valve feedback signal indicates that 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 being commanded on.
Rear Dump Valve Command: The scan tool displays On/Off. The scan tool displays On when the
rear dump valve is being commanded on.
Rear Dump Valve Feedback: The scan tool displays On/Off. The scan tool displays On when the
rear dump valve feedback signal indicates that 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 is being commanded on.
Rear ISO Valve Feedback: The scan tool displays On/Off. The scan tool displays On when the
rear isolation valve feedback signal indicates that 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 25-95%. The scan tool displays 25%
when the EBCM is requesting 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 is being commanded on.
RF Dump Valve Feedback: The scan tool displays On/Off. The scan tool displays On when the
right front dump valve feedback signal indicates that 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 is being commanded on.
RF ISO Valve Feedback: The scan tool displays On/Off. The scan tool displays On when the
right front isolation valve feedback signal indicates that 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 Assist Active: The scan tool displays Yes/No. The scan tool displays Yes when
the traction assist system is active.
Traction Assist Enabled: The scan tool displays Yes/No. The scan tool displays Yes when
the traction assist system is enabled.
Traction Assist Equipped: The scan tool displays Yes/No. The scan tool displays Yes when
the vehicle is equipped with a traction assist system.
Traction Assist Slip: The scan tool displays Yes/No. The scan tool displays Yes when
wheel slip is occurring.
Traction Off Lamp Command: The scan tool displays On/Off. The scan tool displays On when the
traction off indicator is being commanded on.