Engine RPM Switch and Relay (Sentra M.P.G. only)
- Warm engine to operating temperature. Turn "OFF" engine and disconnect E.C.C. 20-pin connector. Start engine and check continuity between terminals No. 7 (+) and No. 12 (-) of E.C.C. 20-pin harness connector.
- When RPM is below 3600, continuity does not exist. When RPM is above 3600, continuity exist. If out of specifications, repair or replace switch.