Ecu Pinout Work — Nissan Zexel

Zexel ECUs are sensitive to ground offset. If you see >0.2V between pin 10 and battery negative, the engine harness main ground is failing. Add a dedicated 10-gauge ground wire from ECU case to engine block.

Crank the engine. If the light flickers dimly , that pin is likely the ground trigger for an injector. Zexel uses drivers, so a normal LED test light may not work—use an old incandescent bulb. nissan zexel ecu pinout work

The pump unit requires a high-current 12V supply and solid ground, usually checked at the large grey pump connector. www.scribd.com Functional Troubleshooting & Maintenance 1994 Mitsubishi Fuso bus ecu replacement needed - Facebook Zexel ECUs are sensitive to ground offset