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Home >> Chevrolet >> 2002 >> Express 1/2 Ton Van V8-5.7L VIN R >> Repair and Diagnosis >> Brakes and Traction Control >> Antilock Brakes / Traction Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions
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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 that are available on the scan tool are listed below in alphabetical order.
4WD Status: The scan tool always displays Two Wheel Drive.
ABS Warning Lamp: The scan tool displays On/Off. The scan tool displays On when the ABS indicator is being commanded on.
Brake Switch Status: The scan tool displays On/Off. The scan tool displays On when the brake is applied.
Brake Warning Lamp: The scan tool displays On/Off. The scan tool displays On when the brake warning indicator is being commanded on or when a brake pressure differential exists.
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).
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).
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).