Toyota Sienna 2010-2026 Owners Manual: Starting the engine
- Shift the shift lever to P and apply the brakes.
- Touch the Toyota emblem side
of the electronic key to the
engine switch.
An alarm will sound to indicate that the start function cannot detect the electronic key that is touched to the engine switch if any of the doors is opened and closed while the key is touched to the switch.
- Press the engine switch within 10 seconds after the buzzer sounds, keeping the brake pedal depressed.
In the event that the engine switch cannot be operated, contact your Toyota dealer.
Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when stopping the engine.
Replacing the key battery
As this above procedure is a temporary measure, it is recommended that the electronic key battery be replaced immediately when the battery depletes.
Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set, the alarm may be triggered.
Changing engine switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and press the engine switch.
The engine does not start and modes will be changed each time the switch is pressed.
When the electronic key does not work properly
- Check if the battery-saving mode is set. If it is set, cancel the
function.
- Make sure that the smart key system has not been deactivated in the customization setting. If it is off, turn the function on.
Locking and unlocking the doors and key linked functions
Using the mechanical key in order to perform
the following operations.
Locks all the doors
Unlocks the door(s)
Turning the key rearward unlocks
the driver’s door. Turning the key
onc ...
If the battery is
discharged
The following procedures may be used to start the engine if the
vehicle’s battery is discharged.
You can call your Toyota dealer or qualified repair shop.
If you have a set of jumper (or booste ...
Other materials:
Jam Protection Function Activates During Power Back Door Operation
DESCRIPTION
It may be caused by ill-fitting back door, faulty touch sensor or
faulty pulse sensor.
The power back door ECU activates the back motor to open / close
the power back door, thus
controlling the power back door operation. For jam and foreign object
detection, the power ba ...
Radio Receiver Power Source Circuit
DESCRIPTION
This circuit provides power to the radio receiver.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RADIO RECEIVER ASSEMBLY
Disconnect the radio receiver connector.
Measure the resistance according to the value in the
table below.
Standard resistance
Measure t ...
Fail-safe chart
1. FAIL-SAFE FUNCTION
When communication fails in any of the main wires
(communication lines) due to a short circuit or other
causes, the fail-safe function, which is specified for
each system, operates to prevent the system from
malfunctioning.
The table below shows the effects on eac ...
