ZEXEL ECUs have :
If you're diving into the Zexel pins, you're likely dealing with the or TD27 engines. Here is what you need to know about working with this hardware: nissan zexel ecu pinout
If you mix these up, the ECU may power on (LED inside) but fail to fire the injectors. Always run dedicated heavy-gauge grounds. ZEXEL ECUs have : If you're diving into