Pajero II Workshop Manual 1991 · FUEL · страница 68 из 339 · Открыть оригинал PDF ↗

Текст распознан со скана. Числа и обозначения можно сверить с оригиналом ниже.

IDLE SPEED CONTROL SERVO (STEPPER MOTOR)

OPERATION

Theamountofairtakeninduringidlingis
regulated by the openingand closingof the
servovalvelocatedintheairthat
passage
that bypasses the throttle valve:
Theservpvalve is opened or closed by the
activation of the steppermotor (incorporated
within the idle-speed control servo) in the for-
ward or reverse direction.

Battery power supply is supplied,byway of
thecontrol relay, tothe coil of the stepper
motor.The engine control unit switchesON
thepower transistors (locatedwithin theen-
ginecontrolunit)insequentialorder,and,
when current flows to the stepper motor coil,
the stepper motor is activated in the forward
or reverse direction.

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