Mitsubishi 3000GT 1991 Service Manual page 219

FUEL SYSTEM - On-vehicle Inspection of MPI Components
(stepper motor)
MD998463
Checking the Coil Resistance
(1) Disconnect the idle speed control servo connector and
connect the special tool (test harness).
the special tool) and either terminal @ (red clip) or terminal
servo side.
Standard value: 28 - 33
Measure the resistance between terminal @ (green clip of
the special tool) and either terminal @ (yellow clip) or
terminal @ (black clip) of the connector at the idle speed
control servo side.
Standard value: 28 - 33 CR at 20°C (68°F)
Operational Check
(1) Remove the throttle body.
(2) Remove the stepper motor.
control servo connector.
(4) Connect the positive 0 terminal of a power supply (approx
6 V) to the white clip and the green clip.
Idle speed
TSB Revision