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:
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 fuse
S/ Roof fuse
IG1 relay
Sliding roof housing assembly
Sliding roof motor switc ...
On-vehicle inspection
1. INSPECT STEERING PAD (VEHICLE NOT INVOLVED IN COLLISION)
Perform a diagnostic system check.
With the steering pad installed on the vehicle,
perform a visual check. If there are any defects as
mentioned below, replace the steering pad with a
new one:
Cuts, minute cracks or marked ...
Bluetooth
When using the Bluetooth® audio system
In the following conditions, the system may not function.
If the portable audio player is turned off
If the portable audio player is not connected
If the portable audio player’s battery is low
There may be a delay if a cellular phone conn ...
