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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Ignition Control Module: Service and Repair

CAUTION: Electronic modules are sensitive to static electrical charges. If the module is exposed to these charges, damage may result. If removal or service of the module is required, make sure to follow the electronic module service precautions to avoid damage to components. Service Precautions

1. Disconnect the battery ground cable.

Ignition Module:





2. Disconnect the Ignition Control Module (ICM) electrical connector.
3. Remove the nuts and screws from the ICM.

Ignition Module:





4. To install, reverse the removal procedure. Check for proper operation.