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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Control Module: Testing and Inspection





Inspection
1. Turn the ignition switch ON, and check the Transmission Control Module terminal voltage, referring to the Terminal Voltage Charts.
2. If not correct, check or replace the component(s), wiring, and/or Transmission Control Module.

Terminal Voltage Charts

Terminal Layout:




Terminal 1A Through 1P:




Terminal 2A Through 2T: