GDI <4G6> -
Troubleshooting
13A-95
EGR VALVE (STEPPER MOTOR)
Measurement Method
1. Disconnect the EGR valve connector, and connect the
special tool (test harness: MB991658) in between.
2. Connect the analyzer special patterns pickup to the EGR
valve-side connector terminal 1, terminal 3, terminal 4
and terminal 6 respectively.
Alternate Method (Test harness not available)
1. Connect the analyzer special patterns pickup to
engine-ECU terminal 39, connection terminal 40,
connection terminal 31, and connection terminal 32
respectively.
Standard Wave Pattern
Observation conditions
Function
Special patterns
Pattern height
High
Pattern selector
Display
Engine condition
When the engine coolant temperature is 20
_
C or below, turn the ignition switch from OFF
to ON (without starting the engine).
While the engine is idling, turn the A/C switch to ON.
Immediately after starting the warm engine
Standard wave pattern
(V)
30
20
10
The wave pattern
appears for an
instant, but soon
disappears.
Point B
Coil reverse electromotive
force (Approx. 3
´
10V)
Point A
Induced electromotive force
from the motor turning
Time
EGR
valve
control
signal
wave
pattern
Special
patterns
pickup
Analyzer
Содержание Space Runner 1998
Страница 35: ...ENGINE 4G6 11A ENGINE 4G9 11B 11A 1 ENGINE CONTENTS 11109000276...
Страница 74: ...NOTES...
Страница 119: ...13A 1 FUEL CONTENTS GASOLINE DIRECT INJECTION GDI 4G6 13A GASOLINE DIRECT INJECTION GDI 4G9 13B FUEL SUPPLY 13C...
Страница 354: ...NOTES...
Страница 355: ...13C 1 FUEL SUPPLY CONTENTS 13509000197 GENERAL INFORMATION 2 FUEL TANK 3...
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Страница 519: ...AUTOMATIC TRANSMISSION On vehicle Service 23 59 OIL SEAL LAYOUTsub 04 O A H B C D E F G I J K L M N...
Страница 532: ...NOTES...
Страница 567: ...REAR AXLE 2WD 27A REAR AXLE 4WD 27B 27A 1 REAR AXLE CONTENTS 27109000246...
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Страница 912: ...NOTES...
Страница 913: ...INTERIOR 52A SUPPLEMENTAL RESTRAINT SYSTEM SRS 52B 52A 1 INTERIOR AND SUPPLEMENTAL RESTRAINT SYSTEM SRS CONTENTS...
Страница 954: ...NOTES...