Idle speed check and adjustment_
Arrangements to be carried out before the idle
speed adjustment.
- Check and adjust ignition timing.
- Set all the accessory switches to OFF.
1. Connect the special tool 1 to the diagnostic test-
er connector 2 under the instrument panel.
Specific tooling
020618Y Cable harness for connecting the
OBD Connector and the Diagnostic Tester
2. Prepare the diagnosis instrument DS-21.
3. Warm up the engine. Let the engine run at 2500 rpm for about two minutes.
4. Select the option "Current data indication -
Current data monitoring " from the option list.
WHEN THE DIAGNOSIS INSTRUMENT DS-21 IS NOT
USED, CONNECT A RPM INDICATOR TO THE REV. TER-
MINAL USING THE SPECIAL TOOL (SST).
Specific tooling
09991-87402-000 Rpm indicator pulse pickup
wire (Engine speed measurement)
KEY:
1. Special tool
2.Diagnostic tester connector
•
A REV CONNECTOR
•
B Ground
5. Measure the idle speed. M/T vehicles: 900 ± 50
rpm
If the number of revolutions at idle speed does not
correspond to the specified value, adjust by means
of the idle speed set screw located on the throttle
body using a key C of 4 mm.
TO REDUCE THE NUMBER OF REVOLUTIONS, TURN THE
IDLE SPEED SET SCREW CLOCKWISE. TO INCREASE,
TURN THE IDLE SPEED SET SCREW ANTICLOCKWISE.
Clutch
Clutch
PORTER 1.3 16V Engine
EN - 339
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