Engine Control Module: Service and Repair

Engine Control Module Replacement

Removal Procedure




Caution: Refer to Battery Disconnect Caution (Battery Disconnect Caution).
1. Disconnect the negative battery cable.
2. Disconnect the engine control module (ECM) connectors.




3. Remove the ECM retaining nuts.
4. Remove the ECM from the ECM mount.


Installation Procedure




1. Position the ECM in place.

Notice: Refer to Fastener Notice (Fastener Notice).

2. Install the ECM to the ECM mount and install the retaining bolts.

Tighten the ECM retaining bolts to 4 N.m (35 lb in).




3. Connect the ECM connectors.
4. Connect the negative battery cable.
5. Perform the following procedures:

* Program the ECM
* Crankshaft Position System Variation Learn (Service and Repair)
* Idle Learn (Programming and Relearning)

6. Refer to Control Module References (Programming and Relearning) for programming and setup information.