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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Transmission Position Sensor/Switch: Adjustments

Park/Neutral Position Switch Connector:






Park/Neutral Position Switch Connection Guide:






1. Ensure that the vehicle starts when the shift control selector lever is in the PARK and NEUTRAL positions only.

2. If the [1][2]Park/Neutral Position Switch (PNP) is not operating correctly, disconnect the PNP switch electrical connector. Use Rotunda 73 Digital Multimeter 105-00051 or equivalent to ensure that there is continuity between the terminals. Refer to the chart to determine proper terminal testing.