Mitsubishi 1989-1993 GALANT Service Manual page 176

FUEL SYSTEM <SOHC-8 VALVE> - Service Adjustment Procedures
<From 1990 models> fi
(5) Switch ON the ignition switch (but do not start the engine)
and leave as if for 15 seconds or longer.
NOTE
When the ignition switch is switched ON, the idle speed
control plunger extends to the fast-idle opening degree,
and, after 15 seconds have passed, contracts to the initial
position and stops there.
Initial position: the suitable idling position at which the idle
(6) Switch OFF the ignition switch.
(7) Disconnect the connector of the idle-speed control motor,
and then secure the ISC motor at the initial position.
(8) Sufficiently loosen the fixed SAS.
(9) Start the engine and let it idle.
Idle-speed
If the scan tool is used, select No.22 and then read the id-
ling speed.
Basic idling speed: 750 +-50 rpm
NOTE
The engine speed may be 20 to 100 rpm lower than
indicated above for a new vehicle [driven approximately
500 km (300 miles) or less], but no adjustment is
necessary.
If the engine stalls or the rpm is low even though the
vehicle has been driven approximately 500 km (300 miles)
or more, it is probable that deposits are adhered to the
throttle valve, so clean it. (Refer to P.13-35.)
gine speed adjustment screw to make the adjustment.
N O T E
When the engine speed adjustment screw is turned to
make the adjustment, use a hexagonal wrench if possible,
and, in order to prevent backlash of the screw, make the
final adjustment at the tightening side.
then return the fixed SAS to find the point (the "touch
point") at which the engine speed does not decrease.
Then, from that point, return the fixed SAS and additional
one-half turn.
screw
speed control motor position sensor output
voltage is 0.9V.
value,
turn the en-