Loyale Sedan (4 Door) 4WD F4-1781cc 1.8L SOHC (1989)
Idle Speed/Throttle Actuator - Electronic: Description and Operation
Bypass Air Control Valve
PURPOSE
Controls engine idle speed.
LOCATION
On the throttle chamber.
OPERATION
The bypass air control valve is regulated by a signal from the ECU. It is in an air passage bypassing the throttle valve and is utilized to control idle
air intake volume and thus idle speed. The ECU calculates factors such as engine temperature, load and altitude when making idle speed
adjustments.