Main Relay (Computer/Fuel System): Testing and Inspection

EFI MAIN RELAY (Marking: EFI) INSPECTION





1. REMOVE EFI MAIN RELAY

LOCATION: In the engine compartment relay box.





2. INSPECT EFI MAIN RELAY
A. Inspect relay continuity
- Using an ohmmeter, check that there is continuity between terminals 86 and 85.
- If there is no continuity, replace the relay.
- Check that there is no continuity between terminals 87 and 30.
- If there is continuity, replace the relay.





B. Inspect relay operation
- Apply battery voltage across terminals 86 and 85.
- Using an ohmmeter, check that there is continuity between terminals 87 and 30.
- If there is no continuity, replace the relay.
3. REINSTALL EFI MAIN RELAY