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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temporarily or
permanently
Transmission Position Sensor/Switch: Description and Operation
Transmission Range Sensor (switch) (A/T vehicle only)This switch 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 injector, IAC valve and automatic transmission.