Sienna AWD V6-3.5L (2GR-FE) (2007)
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If the result is not as specified, replace the switch.
c. Check the seat heater switch illumination.
If the result is not as specified, replace the seat heater switch or bulb.
2. INSPECT SEAT HEATER SWITCH RH
a. Measure the resistance of the seat heater switch when the switch is operated.
