Landcruiser V8-4.7L (2UZ-FE) (2000)
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EFI Main Relay: Testing and Inspection
EFI MAIN RELAY
INSPECTION
1. REMOVE RELAY BOX COVER
2. REMOVE EFI MAIN RELAY (Marking: EFI)
3. INSPECT EFI MAIN RELAY
a. Inspect the relay continuity.
1. Using an ohmmeter, check that there is continuity between terminals 1 and 3.
If there is no continuity, replace the relay.
2. Check that there is no continuity between terminals 2 and 4.
If there is continuity, replace the relay.
b. Inspect the relay operation.
1. Apply battery positive voltage across terminals 1 and 3.
2. Using an ohmmeter, check that there is continuity between terminals 2 and 4.
If there is no continuity, replace the relay.
4. REINSTALL EFI MAIN RELAY
5. REINSTALL RELAY BOX COVER
