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




1. REMOVE EFI MAIN RELAY (Marking: EFI)

2. INSPECT EFI MAIN RELAY

3. INSPECT RELAY CONTINUITY





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 5.
If there is continuity, replace the relay.

4. INSPECT RELAY OPERATION
1. Apply battery positive voltage across 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.

5. REINSTALL EFI MAIN RELAY