Toyota Sienna 2010-2025 Owners Manual: Theft deterrent system

Exhaust gas precautions

Harmful substance to the human body is included in exhaust gases if inhaled. WARNINGExhaust gases include harmful carbon monoxide (CO), which is colorless and odorless. Observe the fol ...

Engine immobilizer system

The vehicle’s keys have built-in transponder chips that prevent the engine from starting if a key has not been previously registered in the vehicle’s on-board computer. Never leave the keys i ...

Other materials:

Dtc check / clear
1. DTC CHECK (NORMAL MODE) NOTICE: When the diagnostic system is switched from the normal mode to the check mode, all the DTCs and freeze frame data recorded in the normal mode will be erased. So before switching modes, always check the DTCs and freeze frame data, and note the ...

Registering a new contact to the contact list
New contact data can be registered. Up to 4 numbers per person can be registered. For PBAP compatible Bluetooth® phones, this function is available when “Automatic Transfer” is set to off. Select “New Contact”. Enter the name and select “OK”. Enter the phone number and sele ...

Check mode procedure
HINT: Intelligent tester only: Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect the malfunctions that cannot be detected by normal mode. NOTICE:All the stored DTCs and freeze frame data are erased if: 1) the ECM is changed fro ...