Pajero II Workshop Manual 1998 Supplement · FUEL · страница 86 из 104 · Открыть оригинал PDF ↗

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Wave pattern observation points

7Fui204

Check that the standard wave pattern appears when the stepper motor is operating:
(Point A): Presenceor absence of induced electromotive force from themotor turning: (Refer to the
abnormal wave pattern._

Contrast with standard wave patternProbable 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
Coil reverse electromotive force does not appear or is extremely small:

Probable cause
Short in the coil

Abnormal wave pattern

Cause of problem

Motor is malfunctioning: (Motor is not operating-)

Wave pattern characteristics

Induced electromotive force from the motor turning does
not appear:

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