T100 Pickup 2WD V6-3.4L (5VZ-FE) (1996)
Fuel Pump Relay: Testing and Inspection
A. Inspect relay continuity.
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Using an ohmmeter, check that there is continuity between terminals ST and E1.
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If there is no continuity, replace the relay.
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Check that there is continuity between terminals +B and FC.
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If there is no continuity, replace the relay.
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Check that there is no continuity between terminals +B and FP.
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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 ST and E1.
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Using an ohmmeter, check that there is continuity between terminals +B and FP.
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If there is no continuity, replace the relay.