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

1. Disconnect the negative battery cable.
2. Remove the front center console.
3. Disconnect the electrical connectors from the powertrain control module.

Engine Control Module (ECM) Location:





4. Remove the screws and remove the powertrain control module.
5. Reinstall in reverse order.

CAUTION: Do not connect or disconnect the powertrain control module connectors with the negative battery cable connected. A minor spark or Voltage surge can damage the powertrain control module.