LX 450 L6-4.5L (1FZ-FE) (1996)
EFI Main Relay: Testing and Inspection
EFI MAIN RELAY INSPECTION
1. Remove EFI main relay.
LOCATION: In the engine compartment relay box.
2. Inspect EFI main relay.
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Inspect relay continuity
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Using an ohmmeter, check that there is continuity between terminals 1 and 3.
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If there is no continuity, replace the relay.
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Check that there is no continuity between terminals 2 and 4.
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If there is continuity, replace the relay.
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Inspect relay operation
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Apply battery voltage across terminals 1 and 3.
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Using an ohmmeter, check that there is continuity between terminals 2 and 4.
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If there is no continuity, replace the relay.
3. Reinstall EFI main relay.