Corolla Wagon L4-96.8 1587cc 1.6L DOHC (4A-FE) (1996)
EFI Main Relay: Testing and Inspection
EFI MAIN RELAY INSPECTION
1. REMOVE EFI MAIN RELAY
2. INSPECT EFI MAIN RELAY (NIPPONDENSO)
A. Inspect relay continuity
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Using an ohmmeter, check that there is continuity between terminals 1 and 2.
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If there is no continuity, replace the relay.
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Check that there is no continuity between terminals 3 and 5.
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If there is continuity, replace the relay.
B. Inspect relay operation
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Apply battery voltage across terminals 1 and 2.
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Using an ohmmeter, check that there is continuity between terminals 3 and 5.
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If there is no continuity, replace the relay.
3. INSPECT EFI MAIN RELAY (BOSCH)
A. Inspect relay continuity
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Using an ohmmeter, check that there is continuity between terminals 86 and 85.
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If there is no continuity, replace the relay.
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Check that there is no continuity between terminals 30 and 87.
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If there is continuity, replace the relay.