Idle Speed Control - Chrysler laser 1990 Technical Information Manual

IDLE SPEED CONTROL

GENERAL DESCRIPTION
If the load changes while idling, the idle speed
control servo is activated according to the preset
control logic to control the air flow that bypasses the
Fast idle air valve
To intake
manifold
Target speed data
Idle speed control
servo dnve pulse
setting data
FUEL SYSTEM - Idle Speed Control
control servo
Speed adjustrng screw
Input signal reading
Control mode
decision
II
feedback control
Drive pulse setting
throttle valve, thus maintaining the optimum
speed.
From air
cleaner
Idle speed control
servo position
control
Drive pulse setting
idle
Inhibitor switch <AA>
Ignition switch
Coolant
temperature sensor
Throttle position sensor
Crank angle sensor
Vehicle speed sensor
Air conditioner switch
Barometric pressure sensor
Power steering oil
pressure switch
Intake air te.mperature sensor
terminal
mission switching terminal
I
Idle speed control
servo drive pulse