Tundra 4WD V8-4.6L (1UR-FE) (2010)
(a) Heat the thermostat with a light.
(b) Check the seat cushion heater.
(1) Measure the resistance according to the value(s) in the table below.
Standard resistance:
(2) If the result is not as specified, replace the seat cushion heater.
3. INSPECT FRONT SEAT CUSHION HEATER ASSEMBLY LH (w/ Climate Control Seat System)