Component Tests and General Diagnostics
Back-up Light Switch Test1. Disconnect the back-up light switch connector (A).
2. Check for continuity between the back-up light switch 2P connector terminals No. 1 and No. 2. There should be continuity when the change lever is only in reverse.
3. If necessary, replace the back-up light switch. Install the new washer and back-up light switch on the transmission housing.