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Home >> Toyota >> 2021 >> Mirai Limited >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats - Service Information (3 Of 3) >> Front Seat Cushion Heater >> Inspection [11/2020 - ] >> Procedure

Inspection [11/2020 - ]: Procedure

  1. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY LH 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1005796Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front Seat Cushion Heater Assembly LH)

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      L35-1 - A-1 Always 20°C (68°F) Below 1 Ω Ω
      L35-1 - A-2 Always 20°C (68°F) 3.20 to 3.83 Ω Ω
      L35-2 - L35-6 Always 20°C (68°F) Below 1 Ω Ω
      L35-2 - A-2 Always 20°C (68°F) Below 1 Ω Ω
      L35-4 - L35-5 Always 20°C (68°F) 11.94 to 12.24 kΩ kΩ
      A-1 - A-2 Always 20°C (68°F) 3.26 to 3.90 Ω Ω

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

  2. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY RH 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1005800Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front Seat Cushion Heater Assembly RH)

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      L10-1 - A-1 Always 20°C (68°F) Below 1 Ω Ω
      L10-1 - A-2 Always 20°C (68°F) 3.20 to 3.83 Ω Ω
      L10-2 - L10-6 Always 20°C (68°F) Below 1 Ω Ω
      L10-2 - A-2 Always 20°C (68°F) Below 1 Ω Ω
      L10-4 - L10-5 Always 20°C (68°F) 11.94 to 12.24 kΩ kΩ
      A-1 - A-2 Always 20°C (68°F) 3.26 to 3.90 Ω Ω

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