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)

Or, hide this message: temporarily or permanently

Engine Control Module: Service and Repair

Protective Cover Removal:






1. Disconnect battery negative terminal.
2. Lift up passenger side floor mat.
3. Remove protective cover over ECU.
4. Unplug connector and remove ECU bracket bolts.
5. Replace ECU and reinstall components in reverse order of removal.
6. Reconnect battery.