Tacoma Regular Cab 4WD V6-3.4L (5VZ-FE) (1997)
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Fuel Pump Relay: Testing and Inspection
COMPONENTS FOR REMOVAL AND INSTALLATION
CIRCUIT OPENING RELAY INSPECTION
1. REMOVE CIRCUIT OPENING RELAY
2. INSPECT CIRCUIT OPENING RELAY
A. Inspect relay continuity
(a) Using an ohmmeter, check that there is continuity between terminals ST and E1
If there no continuity, replace the relay.
(b) Check that there is continuity between terminals +B and FC.
If there no continuity, replace the relay.
(c) Check that there is no continuity between terminals +B and FP.
If there no continuity, replace the relay.
B. Inspect relay operation
(a) Apply battery positive voltage across terminals ST and E1.
