Operation CHARM: Car repair manuals for everyone.

Transmission Position Sensor/Switch: Testing and Inspection

Transmission Range Switch (Sensor) Inspection
1) Shift select lever to "N" range.





2) Check that center line on manual valve shaft (2) and "N" reference line (1) on switch are aligned. If not, loosen switch bolt and align them.
3) Check that engine starts in "N" and "P" ranges but it doesn't start in "D", "2", "L" or "R" range. Also, check that backup lamp lights in "R" range.





4) Disconnect transmission range switch coupler and check that continuity exists as shown by moving select lever.