Диагностика и устранение неисправностей · 35

TROUBLESHOOTING · 35

2002 · FUEL [13] · страница 35 из 68 · Открыть оригинал PDF ↗

INSPECTION PROCEDURE 13

The engine stalls during idling.
Probable cause
Probable causes can be found in troubles with control system, injection pump,
intake system, EGR system, and power supply.
D
Control system inoperative
D
Injection pump inoperative
D
Fuel system inoperative
D
Intake system inoperative
D
EGR system inoperative
D
Engine-ECU inoperative
YES
MUT-II Self-Diag code
Is a diagnosis code output?
Inspection chart for diagnosis codes (Refer to P.13-9.)
NO
OK
Conduct MUT-II Data list check and an actuator test.
(Refer to P.13-42, 46.)
Inspect the following items in order:
D
Power supply system
NG
Repair
D
Throttle body assembly
D
EGR system
D
Injection pump
Таблица в оригиналеТаблица: оригинал страницы 35

INSPECTIONPROCEDURE14

Lack of output powerProbable cause
Probable causes can be found in troubles with control system, injection pump,
fuel system, intake system, and EGR system.
D
Control system inoperative
D
Injection pump inoperative
D
Fuel system inoperative
D
Intake system inoperative
D
EGR system inoperative
D
Engine-ECU inoperative
Таблица в оригиналеТаблица: оригинал страницы 35

YES
MUT-IISelf-DiagcodeInspectionchartfordiagnosiscodes(RefertoP.13-9.)
Isadiagnosiscodeoutput?
NO
OK
ConductMUT-IIDatalistcheckandanactuatortest.Inspectthefollowingitemsinorder:
(RefertoP.13-42,46.)DInjectionnozzle,fuelfilter
DThrottlebodyassembly
NGDEGRsystem
DTurbocharger
RepairDCompressionpressure
DInjectiontiming
DInjectionpump
DExistenceofmixingforeignobjects(water,kerosene)with
thefuel

INSPECTIONPROCEDURE15

Occurrence of abnormal knocking
Probablecausescanbefoundintroubleswithcontrolsystem,injectionpump,
fuelsystem,andEGRsystem.

Probable cause

D
D
Control system inoperative
Injection pump inoperative
D
D
Fuel system inoperative
EGR system inoperative
DEngine-ECU inoperative
Таблица в оригиналеТаблица: оригинал страницы 35
Иллюстрация 1, страница 35
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FUEL SYSTEM <4D5-step III> - Troubleshooting 13-35
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