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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Transmission Position Sensor/Switch: Description and Operation
Transmission range sensor (switch) (A/T only)This switch (1) is installed on the automatic transmission. ECM (PCM) detects transmission range by monitoring the ON/OFF signal from this switch and uses it as one of the signals to control the fuel injectors, IAC valve, ignition timing and automatic transmission.