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

INSPECTION




1. REMOVE RELAY BOX COVER
2. REMOVE EFI MAIN RELAY
3. INSPECT EFI MAIN RELAY




a. Inspect the relay continuity.
1. Using an ohmmeter, check that there is continuity between terminals 1 and 2.

If there is no continuity, replace the relay.

2. Check that there is no continuity between terminals 3 and 5.
If there is continuity, replace the relay.




b. Inspect the relay operation.
1. Apply battery positive voltage to terminals 1 and 2.
2. Using an ohmmeter, check that there is continuity between terminals 3 and 5.

If there is no continuity, replace the relay.

4. REINSTALL EFI MAIN RELAY
5. REINSTALL RELAY BOX COVER