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

EFI MAIN RELAY INSPECTION
1. REMOVE EFI MAIN RELAY.



LOCATION: In the engine compartment relay box (R/B No.2).

2. INSPECT EFI MAIN RELAY.
A. 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.

B. Inspect relay operation.



- Apply battery 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.