GDI <4G6> -
Troubleshooting
13A-92
INJECTORS AND INJECTOR OPEN CIRCUIT CHECK
SIGNAL
Measurement Method
1. Connect the analyzer special patterns pickup to terminal
1 (No.1 injector) of the engine-ECU connector.
2. Connect the analyzer special patterns pickup to terminal
51 (injector open circuit check signal) of the engine-ECU
connector.
3. After checking terminal 1, check terminal 14 (No.2
injector), terminal 2 (No.3 injector) and terminal 15 (No.4
injector).
Standard Wave Pattern
Observation conditions
Function
Special pattern
Pattern height
Low
Pattern selector
Display
Engine r/min
Idle speed
Standard wave pattern
4
0
8
4
0
(V)
Injector
open circuit
check signal
Injector
drive signal
(ms)
Wave Pattern Observation Points
D
Check that the injector drive time is identical to the time
displayed on the MUT-
II
.
D
Check that the injector signals become greatly extended
but soon return to their normal wave length when the
engine is suddenly raced.
D
Check that the injector open circuit check signal is
synchronized with each rising portion of the injector drive
signal.
Special patterns
pickup
Analyzer
Normal wave
pattern
Содержание Space Runner 1998
Страница 35: ...ENGINE 4G6 11A ENGINE 4G9 11B 11A 1 ENGINE CONTENTS 11109000276...
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Страница 119: ...13A 1 FUEL CONTENTS GASOLINE DIRECT INJECTION GDI 4G6 13A GASOLINE DIRECT INJECTION GDI 4G9 13B FUEL SUPPLY 13C...
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Страница 355: ...13C 1 FUEL SUPPLY CONTENTS 13509000197 GENERAL INFORMATION 2 FUEL TANK 3...
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Страница 567: ...REAR AXLE 2WD 27A REAR AXLE 4WD 27B 27A 1 REAR AXLE CONTENTS 27109000246...
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Страница 913: ...INTERIOR 52A SUPPLEMENTAL RESTRAINT SYSTEM SRS 52B 52A 1 INTERIOR AND SUPPLEMENTAL RESTRAINT SYSTEM SRS CONTENTS...
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