He traced the exact pin-out for the Bosch Motronic ECU, finding a ground wire that the manual signaled as a common failure point. The Hydraulics:
Detailed schematics for tracing electrical issues across the vehicle's electronic control units (ECUs). alfa romeo 156 elearn
Download it, install it on an old laptop in your garage, and join the small group of enthusiasts who treat their 156 with the precision of an Alfa factory technician. Remember: La meccanica delle emozioni (The mechanics of emotions) requires the right manual. He traced the exact pin-out for the Bosch
Even Alfa Romeo software has temperamental issues. Here are the top three error fixes: alfa romeo 156 elearn