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Engine Control Module: Service and Repair





ENGINE CONTROL MODULE (ECM) REPLACEMENT

REMOVAL PROCEDURE




1. Disconnect the negative battery cable.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

2. Disconnect the engine control module (ECM) connectors.
3. Remove the ECM retaining bolts.
4. Remove the ECM from the ECM mount.

INSTALLATION PROCEDURE




1. Position the ECM in place.
2. Install the ECM to the ECM mount and install the retaining bolts.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the ECM retaining bolts to 4 N.m (35 lb in).
3. Connect the negative battery cable.
4. Perform the following procedures:
- Program the ECM. Programming and Relearning
- CKP System Variation Learn Procedure
- Idle Learn Procedure
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