DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seat Heater System - Diagnostics - Introduction >> Seat Heater System >> System Description [12/2019 - 11/2023] >> System Description [12/2019 - 11/2023]

System Description [12/2019 - 11/2023]

  1. FRONT SEAT HEATER 
    1. By operating the front seat heater switch signal on, the temperature can be controlled within the range of 36 to 42°C (96.8 to 107.6°F).

      HINT: 

      The operating temperature range is that detected by the thermistor, not at the seat surface.

    2. The front seat heater switch (air conditioning control assembly) indicator lights indicate the seat heater operating status.
    3. The seat heaters of both seats are controlled by the seat heater control sub-assemblies.
  2. REAR SEAT HEATER (w/ Rear Seat Heater) 
    1. By operating the seat heater switch, the temperature can be controlled within the range of 36 to 42°C (96.8 to 107.6°F).
    2. The rear seat heater switch (air conditioning control assembly No. 2) indicator lights indicate the seat heater operating status.
    3. The seat heaters of both seats are controlled by the seat heater control sub-assemblies.