Sienna AWD V6-3.5L (2GR-FE) (2007)
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Seat Heater: Component Tests and General Diagnostics
ON-VEHICLE INSPECTION
1. CHECK SEAT HEATER CONTROL (WIRE HARNESS SIDE)
a. Disconnect the connector from the seat heater control.
b. Measure the voltage and resistance of each terminal of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side or the seat heater switch.
