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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Torque Converter Lockup Clutch Control




Torque Converter Lockup Clutch Control

The torque converter lockup clutch is controlled dependent on the accelerator pedal position, transmission output speed, drive program, transmission oil temperature as well as the engaged gear (in 4th and 5th gear only).