Toyota Corolla (E120) 2002–2008 Repair Manual / Wiper & washer / Wiper and washer system / Problem symptoms table
Toyota Corolla (E120): Problem symptoms table
1. Wiper and washer system

Other materials:
Folding the mirrors
Push the mirror back in the direction of the vehicle’s rear.
■Mirror angle can be adjusted when
► Vehicles without a smart key system
The engine switch is in the “ACC” or “ON” position.
►Vehicles with a smart key system
The engine switch is in ACCESSORY or IGNITION ...
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 ...
Source voltage drop
The srs is equipped with a voltage–increase circuit (dc–dc converter) in the
airbag sensor assy center
in case the source voltage drops.
When the battery voltage drops, the voltage–increase circuit (dc–dc converter)
functions to increase the
voltage of the srs to normal voltage.
...


