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)

Or, hide this message: temporarily or permanently

Transmission Position Sensor/Switch: Testing and Inspection

ECVT Inhibitor Switch Continuity Chart:




ECVT Inhibitor Switch Connector:






1. Ensure that the relative positions of the selector lever and respective inhibitor switches are correct. Check the relative positions of the selector lever and that shift cams (on the transmission side) are aligned properly.
2. Check to ensure the starter starts when the ignition switch is turned ON with the selector lever set at P or N, and that the back-up lights come on when the selector lever is shifted into R.
3. Check continuity of inhibitor switch as shown on image chart.