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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AT Vehicles




- The vehicle speed sensor 2 is a pick-up type output sensor, and mounted on the transmission.
- The vehicle speed sensor 2 generates a 16-pulse signal for every rotation of the front differential and send it to the TCM. The signal sent to the TCM is converted there in a 4-pulse signal, and then sent to the ECM and the combination meter.