Engine Control Module: Service and Repair

CAUTION:
As ECM consists of precision parts, be careful not to expose it to excessive shock.

Removal
1) Disconnect battery negative cable from battery.





2) Disconnect couplers from ECM and TCM (if equipped).
3) Remove ECM with TCM.

Installation
Reverse removal procedure noting the following.
- Connect couplers to ECM and TCM securely.