Pajero II Workshop Manual 1991 · FUEL · страница 248 из 339 · Открыть оригинал PDF ↗

Текст распознан со скана. Числа и обозначения можно сверить с оригиналом ниже.

TROUBLESHOOTING HINTS

Hint 1:While the engine is idling; if the engine
idlingspeedandservovalveposition
(step) changewhentheairconditioner
switch is turned to ON adOFF,it can
be assumed that the engine idling speed
control servo and the servo valve position
sensor are
operating normally.

Hint 2:If the servo valve position (step) is out-
side thestandard position,the malfunc-
tion is probably one of the following:
(1)Basic engineidlingspeed adjustment
is wrong_

(21 Somedepositisadheringtothe
throttle valve.

(3) Air is being drawn into the air intake
manifoldthroughdefective gasket
seal:

(4) Fuelinjectionmalfunctioninside
cylinder.
(Sparkplug, ignitioncoil,injectoror
compression pressure is defective )

HARNESS INSPECTION

ACTUATOR INSPECTION

Usea sound scope to check if the sound of the ISC servo
operating can be heard immediately after the ignition switch
is turned toON

NOTE

If the sound of the servo operating cannot be heard, inspect
the motor drive circuit and the ISC servo motor

Оригинальная страница руководства