X-431 EURO TAB II User Manual
119
Fig. 13-4
Fig. 13-5 shows the normal secondary (the upper one) and (the lower one)
primary ignition waveform of direct ignition system. Beause the on/off of primary
circuit is not opening/closing of mechanical contact, but the conduction of
transistor. The primary voltage has no obvious oscillations within the duration,
but the voltage increases during the magnetization process due to current
limiting, and this change can cause corresponding fluctuations of secondary
voltage line as a result of induction of ignition coil.
(c) Launch & Diagtools. Tel. +37167704152, +37129416069. www.diagtools.lv
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