Toyota Corolla (E120): Actuator motor circuit

Problem symptoms table

Circuit description

Other materials:

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 ...

Key confinement prevention function does not work properly (unlock warning switch circuit)
Circuit description The unlock warning switch turns on when the key is inserted in the ignition key cylinder and the door courtesy switch turns on when the driver’s door is opened, and the integration relay monitors both switches conditions. According to these switches conditions, the int ...

Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning efficiency. Removing the air conditioning filter 1. Turn the engine switch off. 2. Open the glove box. Slide off the damper (if equipped). 3. Push in the glove box on the vehicle's outer side to disconnect the claws ...