Toyota Sienna Service Manual: Initialization
1. RESET SLIDING ROOF MOTOR
- If the AUTO operation function does not operate, reset the sliding roof motor using any of the following methods.
- Press the sliding roof switch on the TILT UP side
and hold it until the sliding roof motor stops.
Then release the switch and leave it untouched for 10 seconds or more.
- Press the sliding roof switch on the TILT UP side again for 10 seconds or more and hold it until the sliding roof stops at the fully open and up position.
- Release the switch, press it again within 5 seconds and hold it until a series of movements indicated below has done: Fully closing → Fully opening → Fully closing
HINT: If the battery terminal is disconnected or after the jam protection function has operated, the sliding roof ECU may not detect a position of the roof glass. If the AUTO operation function is still disabled even if the sliding roof motor has been reset, the Hall IC (built in the sliding roof motor assembly) for detecting the roof glass position may be malfunctioning.
Sliding roof system
PARTS LOCATION
...
Problem symptoms table
SLIDING ROOF SYSTEM
Symptom
Suspected area
AUTO function does not operate
Sliding roof motor assembly
Sliding roof system does not operate
ECU-IG fu ...
Other materials:
On-vehicle inspection
1. INSPECT FRONT AIRBAG SENSOR (VEHICLE NOT
INVOLVED IN COLLISION)
Perform a diagnostic system check.
2. INSPECT FRONT AIRBAG SENSOR (VEHICLE
INVOLVED IN COLLISION AND AIRBAG HAS NOT
DEPLOYED)
Perform a diagnostic system check.
When the front bumper of the vehicle o ...
Removal
1. PRECAUTION
CAUTION:
Be sure to read "PRECAUTION" thoroughly before
servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait for 90 seconds after disconnecting the cable to
prevent the airbag working.
3. PLACE FRONT WHEELS FACING STRAIGHT AHEAD
4. REMOVE STEE ...
Inspection
1. INSPECT MAGNETIC CLUTCH CLEARANCE
(a) Set the dial indicator to the magnetic clutch hub.
(b) Connect the battery positive lead to the terminal 1 of
the magnet clutch connector and the negative lead
to the earth wire. Turn on and off the magnetic
clutch and measure the clearance.
Stand ...
