Mitsubishi 4G1 Service Manual page 177

position sensor
connector
(3) Holding the idle air control motor as shown in the
illustration, connect the negative 0 terminal of the power
supply to each clip as described in the following steps, and
check whether or not a vibrating feeling (a feeling of very
slight vibration of the stepper motor) is generated as a
result of the activation of the stepper motor.
the red and black clip.
the blue and black clip.
the blue and yellow clip.
the red and yellow clip.
the red and black clip.
(4) If, as a result of these tests, vibration is detected, the
stepper motor can be considered to be normal.
IDLE SPEED CONTROL MOTOR POSITION SENSOR -
SOHC for GALANT and TRUCK
Standard value: 4 - 6 kQ
(2) Disconnect the idle speed control motor connector.
(3) Connect DC 6V between terminals @ and @ of the idle
speed control motor connector, and then measure the
resistance between terminals @ and @ of the idle speed
control motor position sensor connector when the idle
speed control motor is activated (caused to extend and
retract).
Standard value: It should decrease smoothly as the idle
Caution
Apply only a 6V DC or lower voltage. Application of
higher voltage could cause locking of the motor gears.
(4) If there is a deviation from the standard value, or if the
change is not smooth, replace the idle speed control motor
assembly.
Revision
TSB
speed control motor plunger retracts.