Toyota Sienna Service Manual: Power back door warning buzzer
INSPECTION
1. POWER BACK DOOR WARNING BUZZER
- Check the resistance of the buzzer.
Resistance
If the result is not as specified, replace the buzzer.
NOTICE:
- The circuit that causes the buzzer to sounds is built into the back door ECU, not around the buzzer.
- Directly applying battery voltage to the buzzer does not cause the buzzer to sound.
Power back door drive unit
INSPECTION
1. INSPECT POWER BACK DOOR DRIVE UNIT
Remove the unit.
Apply battery voltage to the terminals and check the
motor operation.
Standard
If the result is not as specified, ...
Back door support
COMPONENTS
...
Other materials:
Disassembly
1. REMOVE NO. 1ULTRASONIC SENSOR RETAINER
(w/ Clearance Sonar System) (See page PM-19)
2. REMOVE NO. 1 ULTRASONIC SENSOR (w/
Clearance Sonar System) (See page PM-19)
3. REMOVE REAR BUMPER ENERGY ABSORBER
4. REMOVE REAR BUMPER BAR PLATE
Remove the 4 clips and the rear bumper bar plate.
5. ...
Installation
1. INSTALL OCCUPANT CLASSIFICATION ECU
Check that the ignition switch is off.
Check that the negative battery (-) terminal is
disconnected.
CAUTION:
After disconnecting the negative battery
terminal, wait for at least 90 seconds before
starting the operation.
&nbs ...
Removal
CAUTION:
Wear safety gloves, because the sharp surfaces of the
seatback frame and seat adjuster may injure your
hand.
Work must be started more than 90 seconds after the
ignition switch is turned to the LOCK position and the
negative (-) terminal cable is disconnected from ...
