Toyota Corolla (E170): Automatic air conditioning system

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

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Circuit description
The rotary solenoid type idle air control (iac) valve is located under the throttle body and intake air bypassing the throttle valve flows into the iac valve through the passage. In this way the intake air volume bypassing the throttle valve is regulated, controls the engine speed. The ...

Removal & installation and disassembly & reassembly
1. Remove bench type rear seat cushion assy 2. Remove rear floor service hole cover Remove the rear service hole cover. Disconnect the fuel pump and vapor pressure sensor connector. 3. Work for preventing gasoline from spilling out Start the engine.  after the engi ...

Overhaul
1. Remove oil filler cap sub–assy Remove the oil filler cap from the cylinder head cover. 2. Remove oil filler cap gasket Using a screwdriver, remove the gasket from the oil filler cap. 3. Remove ventilation valve sub–assy Remove the ventilation valve from the cyl ...