Mitsubishi Pajero Pinin 1999 Workshop Manual page 164

13A-92
Fixed SAS
Equipment side connector
MB991536
GDI ±
On-vehicle Service
ON-VEHICLE SERVICE
Caution
(1) Never attempt to tamper the fixed SAS. The fixed SAS
is precisely adjusted at factory.
(2) Should it be tampered, the full closed position of the
throttle valve will be changed. This causes the
engine-ECU to learn a wrong position of the throttle
valve.
THROTTLE BODY (THROTTLE VALVE ARE)
CLEANING
1. Start the engine, and warm it up until engine coolant
temperature reaches 80 C. Then stop the engine.
2. Remove the air intake hose at the throttle body side.
3. Apply cleaning agent to the throttle valve through the intake
port of the throttle valve, and then leave it for approx.
five minutes.
4. Start the engine, race it several times, and then let it run
at idle for approx. one minute.
5. If carbon deposits are not removed from the throttle vale
area, repeat steps 3 and 4.
6. Install the air intake hose.
7. Use the MUT- II or disconnect the negative battery cable
from the battery terminal in order to erase a diagnosis
code. Wait for at least ten seconds, and then let the engine
run at idle again for approx. ten minutes.
THROTTLE POSITION SENSOR ADJUSTMENT
1. Connect the MUT- II to the diagnosis connector.
When not using the MUT- II, proceed as follows:
Throttle
position
sensor
(1) Disconnect the throttle position sensor connector, and
(2) Connect digital voltmeter between the terminal No.2
Throttle posi-
tion sensor
connect the special tool (test harness: MB991536)
between the disconnected connector taking care not
to confuse the terminal to be connected.
(sensor output: blue clip of special tool) and the
terminal No.3 (sensor earth: white clip of special tool)
of the throttle position sensor connector.