Toyota Sienna 2010-2021 Owners Manual: Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm:
- Unlock the doors using the entry function (vehicles with a smart key system) or wireless remote control.
- Vehicles without a smart key system: Turn the engine switch to the
“ACC” or “ON” position, or start the engine.
Vehicles with a smart key system: Turn the engine switch to ACCESSORY or IGNITION ON mode, or start the engine.
(The alarm will be deactivated or stopped after a few seconds.)
System maintenance
The vehicle has a maintenance-free type alarm system.
Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the following:
- Nobody is in the vehicle.
- The windows and moon roof (if equipped) are closed before the alarm is set.
- No valuables or other personal items are left in the vehicle.
Triggering of the alarm
The alarm may be triggered in the following situations.
(Stopping the alarm deactivates the alarm system.)
- The doors are unlocked using the key.
- A person inside the vehicle opens a door or hood.
- The battery is recharged or replaced when the vehicle is locked. (
Alarm-operated door lock
In the following cases, depending on the situations, the door may automatically lock to prevent improper entry into the vehicle:
- When a person left in the vehicle triggers the alarm by unlocking a door or the back door.
- When a person left in the vehicle unlocks a door or the back door while the alarm is operating.
- When recharging or replacing the battery.
| NOTICE To ensure the system operates correctly Do not modify or remove the system. If modified or removed, the proper operation of the system cannot be guaranteed. |
Setting the alarm system
Close the doors and hood, and
lock all the doors using the entry
function or wireless remote control.
The system will be set automatically
after 30 seconds.
The indicator light changes fr ...
Other materials:
Repeat play
Select to change on/off.
Using cellular phones
Interference may be heard through the audio system’s speakers if a cellular
phone is being used inside or close to the vehicle while the audio system is
operating.
Certification (caution)
Laser product
This product is a class 1 laser product.
...
How to proceed with
troubleshooting
HINT:
Troubleshoot in accordance with the procedures on the
following pages.
1 VEHICLE BROUGHT TO WORKSHOP
2 DTC CHECK
Check for DTCs and make a note of the code that is
output (See page MP-14).
Delete the DTC.
Check if the DTC is output once again when the problem
symptom is simulat ...
Rear Occupant Classification Sensor LH Collision
Detection
DTC B1787 Rear Occupant Classification Sensor LH Collision
Detection
DESCRIPTION
DTC B1787 is output when the occupant classification ECU receives a collision
detection signal sent by
the rear occupant classification sensor LH if an accident occurs.
DTC B1787 is also output when the front s ...