Posted to the Waveform Library on 7/6/2002

Mk FLUKE 98 AUTOMOTIVE SCOPEMETER V1.55

Vehicle has a misfire, #3 cylinder failed smog. Also code 12 for no RPM signal to ecm.

Picture is of a { Icm + (NE+)} circuit at dist.(IGT). IGT is sent from ECM to Igniter, to control Ignition timing by operating th...