Civic L4-1.8L CNG (2008)
7. Disconnect the transmission range switch connector.
8. Check for continuity between terminals at the switch connector. There should be continuity between the terminals in the following table for each
switch position.
9. If the transmission range switch test is OK, replace the faulty transmission range switch harness.
If there is no continuity between any terminals, go to step 10.
10. Remove the transmission range switch, and check the end of the selector control shaft (A).