Landcruiser 4WD L6-4.5L (1FZ-FE) (1993)
EFI Main Relay: Testing and Inspection
INSPECTION
1. Remove EFI main relay.
2. Inspect EFI main relay continuity.
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Using an ohmmeter, check that there is continuity between terminals 1 and 3.
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Check that there is no continuity between terminals 2 and 4.
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If continuity is not as specified, replace the relay.
3. Inspect EFI main 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 operation is not as specified, replace the relay.
4. Reinstall EFI main relay.