Main Relay (Computer/Fuel System): Testing and Inspection
EFI MAIN RELAY INSPECTIONLocation Of EFI Main Relay:
1. Remove EFI Main relay.
LOCATION: In the engine compartment relay box.
2. Inspect relay Continuity.
Inspection Of EFI Main Relay:
a. Using an ohmmeter, check that there is continuity between terminals 1 and 2.
b. Check that there is no continuity between terminals 3 and 5.
If continuity is not as specified. replace the relay.
3. Inspect relay operation.
a. Apply battery voltage across terminals 1 and 2.
b. Using an ohmmeter, check that there is continuity between terminals 3 and 5.
^ If operation is not as specified, replace the relay.
4. Reinstall EFI Main relay.