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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats - Service Information (3 Of 3) >> REAR SEAT CUSHION HEATER (for 60/40 Split Seat Type RH Side) >> Inspection [12/2019 - ] >> Procedure

Inspection [12/2019 - ]: Procedure

  1. INSPECT SEAT HEATER ASSEMBLY 
    1. Measure the resistance according to the value(s) in the table below.
      GTY926482Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Seat Heater Assembly (for RH Side))

      Standard Resistance

      Tester Connection Condition Specified Condition
      F1-1 - F1-4 Seat heater temperature 20 °C (68 °F) 3.19 to 3.83 Ω
      F1-1 - D-1 Seat heater temperature 20 °C (68 °F) Below 1 Ω
      F1-6 - F1-7 Seat heater temperature 20 °C (68 °F) 11.9 to 12.3 Ω
      F1-4 - D-2 Seat heater temperature 20 °C (68 °F) Below 1 Ω
      D-1 - D-2 Seat heater temperature 20 °C (68 °F) 3.26 to 3.90 Ω
      F1-3 - F1-4 Seat heater temperature 20 °C (68 °F) Below 1 Ω

      If the result is not as specified, replace the seat heater assembly (for RH side).

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