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.

Battery Voltage

The scan tool displays 9-17.5 Volts. The scan tool displays the approximate voltage supplied by the battery and charging system.

Brake Switch Status

The scan tool displays On/Off. The scan tool displays On when the brake is applied.

Delivered Torque

The scan tool displays 11-91%. The scan tool displays 11% when the PCM provides the minimum percentage of available torque in an attempt to eliminate wheel slip.

Left Front Wheel Speed

The scan tool displays 0-257 km/h (0-160 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving.

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.

Longitudinal Accelerometer Sensor Signal

The scan tool displays 0-5 Volts. The scan tool displays 2.5 Volts when the vehicle is not accelerating or decelerating.

Low Trac: TCS Active

The scan tool displays Yes/No. The scan tool displays Yes when the low trac message is displayed.

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 ISO Valve Command

The scan tool displays On/Off. The scan tool displays On when the rear isolation valve solenoid is commanded on.

Rear Wheel Speed

The scan tool displays 0-257 km/h (0-160 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving.

Requested Torque

The scan tool displays 11-91%. The scan tool displays 11% 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 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 0-257 km/h (0-160 mph). The scan tool displays 0 km/h (0 mph) when the vehicle is not moving.

TCS Requested

The scan tool displays Yes/No. The scan tool displays No when the driver has disabled the TCS by pressing the traction control switch.

TCS Failed

The scan tool displays Yes/No. The scan tool displays Yes when the traction fault message is displayed.