D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) (1990)
Fast Idle Control Device (F.I.C.D.): Description and Operation
FICD Solenoid Operation Test
PURPOSE
Increases idle speed when the A/C compressor is engaged.
LOCATION
Located on the side of the throttle chamber.
OPERATION
When voltage is applied to the coil of the A/C compressor clutch, voltage is also supplied to the Fast Idle control Device (FICD). The FICD
becomes energized and opens an additional air pasage. Air by-passes the throttle valve, thereby raising idle speed.