Pajero II Workshop Manual 1991 · FUEL · страница 209 из 339 · Открыть оригинал PDF ↗

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BASIC IDLE SPEED ADJUSTMENT

NOTE

The basic idle speed has been factory-adjusted with the
anddoesre
speed adjusting screw(SAS)not normally
quire adjustment:

2If the adjustment is required,first check that the ignition
plug, injector,ISCservo, and compressionpressure are
normal.

(1) Beforestartingtheinspectionandadjustmentproce-
dures, set the vehicle in the following conditions:
Engine coolant temperature: 80 to 95*C
(176 to 203PF)

Lights, electric cooling fan, accessories: OFF
Transmission:Neutral
Steering wheel: Straightforward position

(21 Connect the multi use tester (MUT) to the diagnosis con-
nector.
NOTE

When themulti-use tester isconnected,the diagnosis
control terminalwillbe earthed

(3) Remove the waterproof female connector from the igni-
tion timing adjusting connector (brown)
(4)Usingjumper wire, earththe ignition timing adjusting
terminal.

(5) Start the engine and run at idle

(6) Check the basic idle speed.
Using theMUT, select itemNo22andreadthe idle
speed_

Standard value:750 + 50 r/min

NOTE

The enginespeedmay be low by 20 to 100 rlmin
whilethevehicleisnew[distancedrivenapprox:
500km(300miles)Orless),butno adjustment is
necessary_

If the enginestallsor speed is low despitesuffi-
cient distance driven [approx500 km (300 miles) or
more];it is probably due to deposits onthe throttle
valveIn this case, clean the throttle valve.(Refer
to P.13-90.)

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