HV Battery Cooling: Inspection

INSPECT BLOWER MOTOR OPERATION (See BLOWER MOTOR OPERATION )
INSPECT BATTERY FAN RELAY
1. Remove the battery fan relay.
  
  Fig 1: Removing Battery Fan Relay
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Inspect the battery fan relay continuity.
  1. Using an ohmmeter, check that there is continuity between terminals 1 and 2.
    
    Fig 2: Inspecting Battery Fan Relay Continuity
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    If there is no continuity, replace the relay.
  2. Check that there is no continuity between terminals 3 and 5.
    If there is continuity, replace the relay.
3. Inspect the battery fan relay operation.
  
  Fig 3: Installing Battery Fan Relay Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Apply battery voltage across terminals 1 and 2.
  2. Using an ohmmeter, check that there is continuity between terminals 3 and 5.
    If there is no continuity, replace the relay.
4. Install the battery fan relay.