The Bosch Engine Control Unit (ECU)—often referred to as the DME, Motronic, or EDC (depending on the application)—is the brain of your vehicle. It processes data from dozens of sensors to precisely control fuel injection, ignition timing, boost pressure (for turbo engines), and emission systems. But the ECU cannot function without its nervous system: the wiring harness.
Engine cranks, no spark, no injector pulse. bosch ecu wiring diagram
Drop the hardware number in the comments for pinout suggestions. The Bosch Engine Control Unit (ECU)—often referred to