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

1. REMOVE EFI MAIN RELAY FROM RELAY BOX IN ENGINE COMPARTMENT.
2. INSPECT EFI MAIN RELAY.





- Inspect relay continuity.
- Using an ohmmeter, check that there is continuity between terminals 1 and 3.
- Check that there is no continuity between terminals 2 and 4.
- If continuity is not as specified, replace the relay.





- Inspect relay operation.
- Apply battery voltage across terminals 1 and 3.
- Using an ohmmeter, check that there is continuity between terminals 2 and 4.
- If operation is not as specified, replace the relay.
3. REINSTALL EFI MAIN RELAY.