Toyota Sienna 2010-2026 Owners Manual: Using the air conditioning system and defogger

Interior features

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Front automatic air conditioning system

Air outlets and fan speed are automatically adjusted according to the temperature setting. ...

Other materials:

Blower Motor Circuit
DESCRIPTION The blower motor is operated by signals from the A/C amplifier. Blower motor speed signals are transmitted by changes in the Duty Ratio. Duty Ratio The duty ratio is the ratio of the period of continuity in one cycle. For example, if A is the period of continuity in one cycl ...

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 ...

ACIS Control Circuit
DESCRIPTION This circuit opens and closes the Intake Air Control Valve (IACV) in response to changes in the engine load in order to increase the intake efficiency (ACIS: Acoustic Control Induction System). When the engine speed is between 0 and 4450 rpm and the throttle valve opening angl ...