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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Engine Control Module: Service and Repair

Removing ECM:






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

REMOVAL:

1. Disconnect negative battery cable.
2. Disconnect connectors from ECM while releasing connector lock.
3. Remove ECM with cover, loosening two screws.

INSTALLATION:

1. Install ECM with cover.
2. Connect connectors to ECM securely.
3. Connect negative battery cable.