Fuel Pump Relay: Inspection

REMOVE RELAY BOX COVER
REMOVE FUEL PUMP RELAY (Marking: FUEL PMP)

Fig 1: Removing Fuel Pump Relay
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT FUEL PUMP RELAY
1. Inspect the relay continuity.
  1. Using an ohmmeter, check that there is continuity between terminals 1 and 2.
    If there is no continuity, replace the relay.
  2. Check that there is continuity between terminals 3 and 4.
    If there is no continuity, replace the relay.
  Fig 2: Inspecting Relay Continuity
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Inspect the relay operation.
  1. Apply battery positive voltage across terminals 1 and 2.
  2. Using an ohmmeter, check that there is no continuity between terminals 3 and 4.
  If there is continuity, replace the relay.
  
  Fig 3: Inspecting Relay Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REINSTALL FUEL PUMP RELAY
REINSTALL RELAY BOX COVER