Fuel Pump Relay: Inspection

REMOVE RELAY BOX COVER
REMOVE FUEL PUMP RELAY (Marking: F/PUMP)

Fig 1: Removing Fuel Pump Relay
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT FUEL PUMP RELAY CONTINUITY
1. Using an ohmmeter, check that there is a continuity between terminals 1 and 2.
  If there is no continuity, replace the relay.
2. Check that there is no continuity between terminals 3 and 5.
If there is a continuity, replace the relay.

Fig 2: Inspecting Fuel Pump Relay Continuity
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT FUEL PUMP RELAY OPERATION
1. Apply the battery positive voltage across terminal 1 and 2.
2. Using an ohmmeter, check that there is a continuity between terminal 3 and 5.
If there is no continuity, replace the relay.

Fig 3: Inspecting Fuel Pump Relay Operation
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REINSTALL FUEL PUMP RELAY
REINSTALL RELAY BOX COVER