Automobile ignition circuit control device has plus and minus end stages for each ignition circuit mounted on different IC substrates

摘要

The ignition circuit control device has a plus end stage (11,8) and a minus end stage (9,10) for each ignition circuit (12,13), each associated with an ignition circuit diagnosis device and a processor (1) for controlling the plus and minus end stages. Each ignition circuit is coupled to a plus end stage on one IC substrate (2,3) and a minus end stage on a second IC substrate, the ignition circuit diagnosis effected via a resistance measurement.