1998 · FUEL [13] · страница 81 из 104 · Открыть оригинал PDF ↗
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Wave Pattern Inspection Using An Analyzer
(1)Remove the injector intermediate connector and connect
the special tool (harness connector: MD998474)
(2) Connect the probe of an osciloscope as follows
Standard wave pattern
7fu1202
Wave pattern observation points
Point A): Height of back electromotive force in the solenoid coil
Таблица в оригинале
Распознанный текст таблицы — требует сверки с оригиналом
| Contrast with standard wave pattern | Probable cause |
|---|---|
| Solenoid coil back electromotive force is low or doesn't appear at all. | Short in the injector solenoid |
Point B): Injector drive time
The injector drive timing will synchronized with the MUT-II
display:
When the engine is suddenly raced, the drive time will be
greatly extended at first; but the drive time will soon match
the engine speed;
Оригинальная страница руководства
