Main Relay (Computer/Fuel System): Testing and Inspection
EFI MAIN RELAYINSPECTION
1. REMOVE EFI MAIN RELAY (Marking: EFI)
2. INSPECT EFI MAIN RELAY
a. Using an ohmmeter, check that there is continuity between terminals 1 and 2.
If there is no continuity, replace the relay.
b. Check that there is no continuity between terminals 3 and 4.
If there is continuity, replace the relay.
c. Apply battery positive voltage across terminals 1 and 2.
d. Using an ohmmeter, check that there is continuity between terminals 3 and 4.
If operation is not as specified, replace the relay.
3. REINSTALL EFI MAIN RELAY