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FRONT SEAT CUSHION HEATER (for Power Seat): Inspection: Inspection

  1. INSPECT FRONT SEAT CUSHION HEATER LH 
    1. Check the seat cushion heater.
      Fig 1: Identifying Front Seat Cushion Heater LH
      GTY199609Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Apply battery voltage and check the seat cushion heater.

        OK

        Measurement Condition Condition Specified Condition
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 4        		 Always Seat cushion heater becomes warm

        If the result is not as specified, replace the seat cushion heater.

        NOTE:

        Immediately after confirming that the seat heater is functioning normally, remove the battery leads. Failing to do so may cause the seat heater to overheat.

    2. Check the thermostat.
      1. Apply battery voltage and check the seat cushion heater.

        OK

        Measurement Condition Condition Specified Condition
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 4        		 Always Seat cushion heater temperature below 54°C (129°F)

        If the result is not as specified, replace the seat cushion heater.

        NOTE:

        Immediately after confirming that the seat heater is functioning normally, remove the battery leads. Failing to do so may cause the seat heater to overheat.

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