Scan Tool Data Definitions

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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 and a brake pressure differential is not present.

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 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).