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

EFI MAIN RELAY INSPECTION.




1. REMOVE EFI MAIN RELAY.

2. 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.

3. 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.

4. RE-INSTALL EFI MAIN RELAY.

CIRCUIT INSPECTION