Sienna FWD V6-3.3L (3MZ-FE) (2006)
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Seat Heater: Component Tests and General Diagnostics
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.
