Обслуживание на автомобиле · 61

ON-VEHICLE SERVICE · 61

2002 · FUEL [13] · страница 61 из 68 · Открыть оригинал PDF ↗

Иллюстрация 1, страница 61
Иллюстрация 2, страница 61
Иллюстрация 3, страница 61
Иллюстрация 4, страница 61

ENGINECOOLANTTEMPERATURESENSOR CHECK

1.Removetheenginecoolanttemperaturesensor.

2.Measuretheresistancebetweentheterminalsofthe
connectors while immersing the sensor part of the engine
coolanttemperaturesensorinthehotwater.

Standardvalue:

2.1-2.7kΩ(at20_C)

0.26-0.36kΩ(at80_C)

3.Iftheresistanceisnotwithintherangeofthestandard
value,replacetheenginecoolanttemperaturesensor.

4.Applythesealanttothethreadoftheenginecoolant
temperaturesensorandtightenittothespecifiedtorque.
Sealant:

3MNutLockingPartNo.4171orequivalent
Tighteningtorque:36±6N·m

EGRVALVEPOSITIONSENSORCHECK

1.DisconnecttheEGRvalvepositionsensorconnector.
2.MeasuretheresistancebetweentheEGRvalveposition
sensorsideconnectorterminalNo.2andterminalNo.
3.

Standardvalue:3.5-6.5

kΩ

3.InstallahandvacuumpumptotheEGRvalvenipple.
4.MeasuretheresistancebetweentheEGRvalveposition
sensor-sideconnectorterminalNo.1andterminalNo.
3whenanegativepressureisapplied.

Normalcondition:

Slowly increase the negativeChanges smoothly in
pressure to 60 kPa.proportion to the negative
pressure

5.Iftheresistanceisoutsidethestandardvalue,orifit
doesn’t change smoothly,replace theEGRvalve position
sensor.

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FUEL SYSTEM <4D5-Step III> - On-vehicle Service 13-61
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