Sienna FWD V6-3.3L (3MZ-FE) (2006)
Seat Heater Switch: Testing and Inspection
INSPECTION
1. INSPECT SEAT HEATER SWITCH LH
a. Measure the resistance of the seat heater switch when the switch is operated.
If the result is not as specified, replace the switch.
HINT: As the dial is being turned, the resistance changes gradually.