Seat Heater Unit

Components and Component Location

Component Location

Front Seat Heater

Front Seat Heater (Ventilation)

Rear Seat Heater

Circuit Diagrams

Wiring Diagram

Front Seat Heater

Rear Seat Heater

Repair Procedures

Inspection

Front Seat Heater

1. 1

   Check the circuit continuity and measure the resistance between terminals No. 3 and No. 6.

   

   Standard Value (Cloth / Leather)

   Driver / Passenger (Cushion): 2.98 Ohm ± 10% / 22 °C

   Driver / Passenger (Back): 3.80 Ohm ± 10% / 22 °C

   Driver / Passenger (Cushion + Back): 1.67 Ohm ± 10% / 22 °C

2. 2

   Turn on the seat heater after connecting the connector, then check the thermostat by measuring the seat surface temperature.

   Standard Value (Cloth / Leather)

   1st: Cushion: 36 ± 2 °C, Back: 40 ± 2 °C

   2nd: Cushion: 39 ± 2 °C, Back: 45 ± 2 °C

   3rd: Cushion: 42 ± 2 °C, Back: 50 ± 2 °C

Rear Seat Heater

1. 1

   Check the circuit continuity and measure the resistance between terminals No. 1 and No. 4.

   

   Standard Value (Cloth / Leather)

   Rear Seat (Cushion Only): 3.74 Ohm ± 10% / 22 °C

2. 2

   Turn on the seat heater after connecting the connector, then check the thermostat by measuring the seat surface temperature.

   Standard Value (Cloth / Leather)

   1st - Cushion: 38 ± 2 °C

   2nd - Cushion: 42 ± 2 °C

   3rd - Cushion: 46 ± 2 °C