Fuel Pump Relay: Inspection

WARNING: This page is about a different car, the 2004 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.

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

Fig 1: Identifying 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: Checking 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: Checking Fuel Pump Relay Operation
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REINSTALL FUEL PUMP RELAY
REINSTALL RELAY BOX COVER