Previa Van RWD L4-148.8 2438cc 2.4L DOHC SC (2TZ-FZE) (1996)
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EFI Main Relay: Testing and Inspection
EFI MAIN RELAY INSPECTION
1. REMOVE CRUISE CONTROL ACTUATOR
2. Remove efi main relay.
3. Inspect efi main relay.
A. 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.
B. Inspect relay operation
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Apply battery positive 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.
4. Reinstall efi main relay.
5. Reinstall cruise control actuator.