Scan Tool Data Definitions

ABS Reference Speed: Displays 0 to 255 km/h (0 to 159 mph). The vehicle speed from the average of all four wheel speeds.
Calibration ID: Displays the 4 digit calibration ID of the EBCM.
Check Tires: Displays Yes or No. The status of the TIM system. indicates whether the tires should be checked for proper air pressure.
Ignition Voltage: Displays 0 to 17 Volts. The level of ignition voltage at the EBCM.
LF Wheel Speed: Displays 0 to 255 km/h (0 to 159 mph). The actual speed of the left front wheel.
LR Wheel Speed: Displays 0 to 255 km/h (0 to 159 mph). The actual speed of the left rear wheel.
PROM ID: Displays the 4 digit PROM ID of the EBCM.
RF Wheel Speed: Displays 0 to 255 km/h(0 to 159 mph). The actual speed of the right front wheel.
RR Wheel Speed: Displays 0 to 255 km/h (0 to 159 mph). The actual speed of the right rear wheel.
TIM Auto Learn mode Active: Displays Yes or No. The auto learn mode status of the TIM system.
TIM Failed: Displays Yes or No. The failed status of the TIM system. indicates if the EBCM disabled TIM due to a malfunction.
TIM Monitor Mode 1: Displays Yes or No. The monitor mode 1 status of the TIM system. The EBCM has limited detection capability for a low tire condition and has only partially learned the tire inflation configuration for the speed range.
TIM Monitor Mode 2: Displays Yes or No. The monitor mode 2 status of the TIM system. The EBCM has full detection capability for a low tire condition and has fully learned the tire inflation configuration for the speed range.