Antilock Braking System (ABS)

CIRCUIT DESCRIPTION
Replacement EBTCMs require the variant coding to be programmed in to the EBTCM memory. Program the EBTCM if a new EBTCMs installed in a vehicle. The programming is performed with the scan tool. When ABS Programming is performed with the scan tool, the engine type and the transmission type are coded into the EBTCM memory. The EBTCM requires the engine and transmission coding for TCS operation.

CONDITIONS FOR SETTING THE DTC
The Variant Coding has not been programmed into the EBTCM.

ACTION TAKEN WHEN THE DTC SETS
- A malfunction DTC is stored.
- The TC indicator lamp is turned on.
- The TCS will be disabled.
- The ABS remains functional.

CONDITIONS FOR CLEARING THE DTC
The condition for the DTC is no longer present. The scan tool Clear DTCs function is used. 100 drive cycles have passed with no DTCs detected.

DIAGNOSTIC AIDS
In the most unfavorable circumstances, incorrect programming can lead to minor driveability problems.

TEST DESCRIPTION
The number(s) below refer to the step number(s) on the diagnostic table.
3. If DTC 65 is set as a current DTC, perform the ABS Programming in ABS diagnostics of the scan tool.