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

Electronic Spark Control Module: Service and Repair


REMOVAL

1. Disconnect negative battery cable.

Knock Control Module:






2. Remove attaching screws and nuts from module housing at module retaining bracket.

Knock Control Module Electrical Connector:






3. Disconnect electrical connector from the module and remove module.

INSTALLATION

1. Connect electrical connector to module housing.
2. Position module under retaining bracket and install attaching screws and nuts.
3. Connect negative battery cable.