Volkswagen Corrado (1993 year). Manual - part 223

WAVEFORMS - INJECTOR PATTERN TUTORIAL 

         EXAMPLE #7 - CURRENT CONTROLLED DRIVER

         This known-good waveform from a Ford 5.0L V8 CFI VIN [F] was
taken during hot idle, closed loop, and no load. See Fig. 26.

WAVEFORMS - INJECTOR PATTERN TUTORIAL 

         EXAMPLE #8 - CURRENT CONTROLLED DRIVER

         These two known-good waveform patterns are from a GM 2.0L In-
Line 4 VIN [1].  Fig. 27 illustrates the 78 volt inductive spike that
indicates a zener diode is not used. The second waveform, Fig. 28, was
taken during hot idle, closed loop, and no load.

WAVEFORMS - INJECTOR PATTERN TUTORIAL 

WAVEFORMS - INJECTOR PATTERN TUTORIAL 

END OF ARTICLE