Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Engine Control Module: Service and Repair

REMOVAL
1. Disconnect negative battery cable.

Engine Control Module (ECM) Removal/Install:




2. Disconnect ECM electrical connectors.
3. Remove ECM bracket to inner fender retaining nuts.
4. Remove ECM and bracket assembly from vehicle.
5. Separate ECM from bracket.

INSTALLATION
1. Install ECM on bracket.
2. Position ECM and bracket assembly in vehicle.
3. Install ECM bracket to inner fender retaining nuts.
4. Connect ECM electrical connectors.
5. Connect negative battery cable.