Toyota Sienna 2010-2026 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:
Diagnostic trouble code chart
If a malfunction code is displayed during the DTC check,
check the circuit listed for that code in the table below.
(Proceed to the page given for that circuit.)
POWER BACK DOOR SYSTEM
DTC No.
Detection Item
Trouble Area
B2222
PBD Pulse Sensor Malfuncti ...
Screen for general settings
Press the “SETUP” button.
Select “General” on the “Setup”
screen.
Select to adjust the clock.
“English”, “Français” or
“Español” can be selected.
On/off can be selected to
sound beeps.
Select to change the screen
color.
Select ...
Terminals of ECU
1. POSITION CONTROL ECU AND SWITCH ASSEMBLY
(POWER SEAT CONTROL SWITCH AND ECU)
Disconnect the P58 and P59 connectors.
Check the voltage of each terminal of the wire
harness side connectors.
If the result is not as specified, there may be a
malfunction in the wire harn ...
