Toyota Sienna 2010-2026 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:

EVAP System
RELATED DTCS If any EVAP system DTCs are set, the malfunctioning area can be determined using the table below. NOTICE: If the 0.02 inch reference pressure difference between the first and second checks is greater than the specification, the DTCs corresponding to the refe ...

Freeze frame data
1. DESCRIPTION  The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, whe ...

Speed sensor check (when using intelligent tester)
(a) Check the backward signal. (1) Drive the vehicle in reverse for more than 1 second at 3 km/h (2 mph) or higher. HINT: Drive the vehicle in reverse and check the speed sensor signal. Note that the signal check cannot be completed if the vehicle speed is 45 km/h (28 mph) or more. (b) Che ...