GDI ±
Troubleshooting
13A-91
Wave Pattern Observation Points
Check that the standard wave pattern appears when the EGR control servo is operating.
Point A:
Presence or absence of induced electromotive force from the motor turning. (Refer to the abnormal
wave pattern.)
Contrast with standard wave pattern
Probable cause
Induced electromotive force does not appear or is extremely small.
Motor is malfunctioning
Point B:
Height of coil reverse electromotive force
Contrast with standard wave pattern
Probable cause
Coil reverse electromotive force does not appear or is extremely small.
Short in the coil
Examples of Abnormal Wave Pattern
D
Example 1
Cause of problem
Motor is malfunctioning. (Motor is not operating.)
Wave pattern characteristics
Induced electromotive force from the motor turning does
not appear.
D
Example 2
Cause of problem
Open circuit in the line between the EGR valve and the
engine-ECU
Wave pattern characteristics
Current is not supplied to the motor coil on the open circuit
side. (Voltage does not drop to 0 V.)
Furthermore, the induced electromotive force waveform
at the normal side is slightly different from the normal
waveform.
Open
circuit
side
Nor-
mal
side
Содержание Pajero Pinin 1999
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Страница 462: ...34 1 REAR SUSPENSION CONTENTS GENERAL INFORMATION 2 SPECIAL TOOLS 3 REAR SUSPENSION ASSEMBLY 4 ...
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Страница 468: ...BASIC BRAKE SYSTEM 35A ANTI SKID BRAKING SYSTEM ABS 4WD 35B 35A 1 SERVICE BRAKES CONTENTS ...
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Страница 554: ...STEERING Steering Wheel and Shaft 37A 13 REMOVAL SERVICE POINTS AA STEERING WHEEL REMOVAL MB990803 ...
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Страница 650: ...INTERIOR 52A SUPPLEMENTAL RESTRAINT SYSTEM SRS 52B 52A 1 INTERIOR AND SUPPLEMENTAL RESTRAINT SYSTEM SRS CONTENTS ...
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Страница 836: ...54B 1 SMART WIRING SYSTEM SWS CONTENTS GENERAL INFOMATION 54B 1 SPECIAL TOOLS 54B 5 TROUBLESHOOTING 54B 6 ...
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