Toyota Highlander manuals

Toyota Highlander Service Manual: Location




Suspected Area

Driver's and passenger's seat heaters do not warm up
  1. SEAT HTR fuse
  2. IG1 fuse
  3. Seat heater relay
  4. Wire harness
Only driver's seat heater does not warm up
  1. Seat heater (front) switch LH
  2.  Front seat cushion Cover LH (seat cushion heater assy LH)
  3.  Front seatback cover LH (seatback heater assy LH)
  4.  Wire harness
Only passenger's seat heater does not warm up
  1. Seat heater (front) switch RH
  2.  Front seat cushion Cover RH (seat cushion heater assy RH)
  3.  Front seatback cover RH (seatback heater assy RH)
  4.  Wire harness
Seat heater system

1. INSPECT SEAT HEATER (FRONT) SWITCH LH (a) Check the resistance between the terminals when the switch is operated. Standard: If the result is not as specified, replace the seat heater sw ...

More about Toyota Highlander:

On-vehicle inspection
1. CHECK FUEL PUMP OPERATION AND FUEL LEAKS (a) When using the hand-held tester: Check fuel pump operation.  Connect the hand-held tester to the DLC3.  Turn the ignition switch ON and push the hand-held tester main switch ON. NOTICE: Do not start the engine.  Select th ...

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