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Home >> Chevrolet >> 2001 >> Impala V6-3.4L VIN E >> Repair and Diagnosis >> Maintenance >> Wheels and Tires >> Tire Monitoring System >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions
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Scan Tool Data Definitions

Scan Tool Data Definitions
ABS Reference Speed: Displays 0 - 255 km/h (0 - 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; whether or not the tires should be checked for proper air pressure.

Ignition Voltage: Displays 0 - 17 volts. The level of ignition voltage at the EBCM.

LF Wheel Speed: Displays 0 - 255 km/h (0 - 159 mph). The actual speed of the left front wheel.

LR Wheel Speed: Displays 0 - 255 km/h (0 - 159 mph). The actual speed of the left rear wheel.

PROM ID: Displays the 4 digit PROM ID of the control module.

RF Wheel Speed: Displays 0 - 255 km/h (0 - 159 mph). The actual speed of the right front wheel.

RR Wheel Speed: Displays 0 - 255 km/h (0 - 159 mph). The actual speed of the right rear wheel.

TIM Auto Learn Mode Active: Displays Yes or No. The status of the TIM learn mode.

TIM Failed: Displays Yes or No. The status of the TIM system. Indicates if the TIM is inactive due to a malfunction.

TIM Monitor Mode 1: Displays Yes or No. The status of the TIM mode 1 monitoring. 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 status of the TIM mode 2 monitoring. The EBCM has full detection capability for a low tire condition and has fully learned the tire inflation configuration for the speed range.

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