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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Transaxle Inputs

TRANSAXLE INPUTS
There are 5 inputs the PCM uses that influence TCC lockup, shift timing, shift feel and gear position. These include the Input Speed Sensor (ISS), Output Speed Sensor (OSS), stop lamp switch, Transaxle Fluid Temperature (TFT) sensor and transaxle range switch.