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:

Engine coolant temperature sensor
COMPONENTS REMOVAL 1. DRAIN ENGINE COOLANT (See page CO-6) 2. REMOVE V-BANK COVER SUB-ASSEMBLY (See page EM-28) 3. REMOVE NO. 2 AIR CLEANER INLET (See page EM- 28) 4. REMOVE NO. 1 AIR CLEANER INLET (See page EM- 28) 5. REMOVE AIR CLEANER CAP SUB-ASSEMBLY (See page ES-493) 6. REMOVE AI ...

Removal
1. REMOVE BATTERY 2. REMOVE AIR CLEANER ASSEMBLY HINT: (See page EM-26) 3. REMOVE SPEED SENSOR (NT SENSOR) (a) Disconnect the speed sensor connector. (b) Remove the bolt and speed sensor. 4. REMOVE SPEED SENSOR (NC SENSOR) (a) Disconnect the speed sensor connector. (b) Remove th ...

Rear evaporator temperature sensor circuit
DESCRIPTION The rear evaporator temperature sensor is installed on the rear evaporator. It detects the rear evaporator temperature. The sensor sends a signal to the A/C amplifier. The resistance of the rear evaporator temperature sensor changes in accordance with the rear evaporator temperatu ...