These pins supply the constant 12V battery power, switched ignition power, and sensor/chassis grounds.
If the ECU itself is faulty (corner case), ZEXEL ECUs are often repairable by specialty shops. Never swap ECUs without confirming the part number and vehicle variant—they are often coded to the immobilizer or pump calibration. nissan zexel ecu pinout work
Because Zexel wiring diagrams are rarely printed directly on the unit, you will need the matching vehicle FSM. Navigate to the "EC" (Engine Control) section of the manual. Look for the "ECU Harness Connector Terminal Layout" diagram. 3. Orient the Connector Properly These pins supply the constant 12V battery power,
To help you with the specific for your vehicle, could you please tell me: The model and year of your Nissan? The engine type (e.g., ZD30, QD32, TD27)? switched ignition power