Sienna AWD V6-3.3L (3MZ-FE) (2004)
Sunroof / Moonroof Switch: Testing and Inspection
INSPECT SATELLITE SWITCH SET (SLIDING ROOF SWITCH)
a. Remove the switch.
b. Check the resistance between the terminals when operating the switch.
If the result is not as specified, replace the switch set.
INSPECT SATELLITE SWITCH
a. Inspect the resistance of the back door switch.
If the result is not as specified, replace the switch.
b. Apply battery voltage and check whether the switch illuminates.
HINT: Whether the switch illuminates or not will not affect the function of the RH side.
If the result is not as specified, replace the bulb.