Toyota Corolla (E170): Automatic air conditioning system

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

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Have the malfunction repaired immediately. (vehicles with a smart key system)
After taking the specified steps to correct the suspected problem, check that the warning message and light go off. ■Warning buzzer ...

Hood
Release the lock from the inside of the vehicle to open the hood. 1 Pull the hood lock release lever. The hood will pop up slightly. 2 Pull up the auxiliary catch lever and lift the hood. 3 Hold the hood open by inserting the support rod into the slot. CAUTION ■Pre-driving check C ...

Circuit description
The throttle pressure that is applied to the primary regulator valve (which modulates the line pressure) causes the solenoid valve slt, under electronic control, to precisely and minutely modulate and generate the line pressure according the extent of the accelerator pedal depressed or the o ...