Tacoma 2WD V6-3.4L (5VZ-FE) (1995)
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Main Relay (Computer/Fuel System): Testing and Inspection
1. REMOVE EFI MAIN RELAY.
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 2.
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Check that there is no continuity between terminals 3 and 5.
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If continuity is not as specified, replace the relay.
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Inspect relay operation.
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Apply battery positive 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 operation is not as specified, replace the relay.
3. REINSTALL EFI MAIN RELAY.
