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

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

Removal




1. Disconnect battery negative cable from battery.
2. Disable air bag system (if equipped) referring to "Disabling the Air Bag System" in Air Bag System.
3. Remove ECM/PCM cover from bracket.




4. Disconnect connectors from ECM/PCM.
5. Remove ECM/PCM with bracket.

Installation
1. Install ECM/PCM with bracket to vehicle.
2. Connect connectors to ECM/PCM securely.
3. Install ECM/PCM cover to bracket.
4. Enable air bag system (if equipped) referring to "Enabling Air Bag System" in Air Bag system.
5. Connect negative cable to battery.