Radiator Fan Main Relay: Inspection

REMOVE FUSIBLE LINK BLOCK COVER
REMOVE FAN MAIN RELAY

Fig 1: Identifying Fan Relay
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT FAN MAIN 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 5.
  If there is no continuity, replace the relay.
  
  Fig 2: Inspecting Fan Main Relay Continuity
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT FAN MAIN 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 5.
  If there is no continuity, replace the relay.
  
  Fig 3: Inspecting Fan Main Relay Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REINSTALL EFI MAIN RELAY
REINSTALL FAN MAIN RELAY
REINSTALL FUSIBLE LINK BLOCK COVER