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

1. REMOVE EFI MAIN RELAY.
2. INSPECT EFI MAIN RELAY.
- Inspect relay continuity.





- Using an ohmmeter, check that there is continuity between terminals 1 and 2.
- Check that there is no continuity between terminals 3 and 5.
- If continuity is not as specified, replace the relay.
- Inspect relay operation.





- Apply battery positive voltage across terminals 1 and 2.
- Using an ohmmeter, check that there is continuity between terminals 3 and 5.
- If operation is not as specified, replace the relay.
3. REINSTALL EFI MAIN RELAY.