Pajero II Workshop Manual 1998 Supplement · FUEL · 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

Wave pattern observation points

Point A): Height of back electromotive force in the solenoid coil

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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.

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