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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Throttle Position Sensor

As the throttle plate rotates, the TP sensor provides a variable 0 to 5 volt signal to PCM cavity 10.

Sensor Output Voltage
At idle greater than 0.6 volts
At wide open throttle (WOT) less than 4.5 volts