"pin_number": 1, "function": "Ignition Coil Output (Cylinder 1)", "type": "Output", "wire_color_suggestion": "Yellow/Brown", "expected_voltage": "12V (Switched Ground)", "notes": "Do not apply external 12V directly; use a logic probe." ,
Fuel injectors, ignition coils, idle air control valves (IAC), and fuel pump relays. bosch motronic ecu pinout
Key pins to know for M1.5:
Pins dedicated to the Crankshaft Position Sensor (RPM/TDC) and Camshaft Position Sensor (Sync). These are highly shielded wires to prevent electromagnetic interference. "function": "Ignition Coil Output (Cylinder 1)"