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

Inspection [11/2020 - ]: Procedure

  1. INSPECT SEATBACK HEATER ASSEMBLY RH 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1017806Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Seatback Heater Assembly RH)

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      A-1 - M6-1 Always 20°C (68°F) Below 1 Ω Ω
      A-2 - M6-2 Always 20°C (68°F) Below 1 Ω Ω
      A-3 - M6-3 Always 20°C (68°F) Below 1 Ω Ω
      A-4 - M6-4 Always 20°C (68°F) Below 1 Ω Ω
      A-5 - M6-5 Always 20°C (68°F) Below 1 Ω Ω
      A-7 - M6-5 Always 20°C (68°F) 3.25 to 3.97 Ω Ω

      If the result is not as specified, replace the seatback heater assembly RH.

  2. INSPECT SEATBACK HEATER ASSEMBLY LH 
    1. Measure the resistance according to the value(s) in the table below.
      GTY1017565Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Seatback Heater Assembly LH)

      Standard Resistance

      Tester Connection Condition Specified Condition Result
      A-1 - M1-1 Always 20°C (68°F) Below 1 Ω Ω
      A-2 - M1-2 Always 20°C (68°F) Below 1 Ω Ω
      A-3 - M1-3 Always 20°C (68°F) Below 1 Ω Ω
      A-4 - M1-4 Always 20°C (68°F) Below 1 Ω Ω
      A-5 - M1-5 Always 20°C (68°F) Below 1 Ω Ω
      A-7 - M1-5 Always 20°C (68°F) 3.25 to 3.97 Ω Ω

      If the result is not as specified, replace the seatback heater assembly LH.