Test Description

The number(s) below refer to the step number(s) on the diagnostic table.

1. 2. Checks if EBCM is receiving a ASR Switch message from the switch.
2. 3. Checks if the scan tool can turn on and off all the indicator lamps in the instrument cluster.
3. 5. Checks if the EBCM or ASR Switch is at fault.

Fig 1: Acceleration Slip Regulation Indicator Always On

Courtesy of GENERAL MOTORS CORP.