ECU pinouts can vary wildly between vehicle models even if they share the same engine. For instance, a ZD30 engine from an E25 Caravan may have a different pin arrangement than one from a Nissan Patrol GU , complicating engine swaps.
Working with these ECUs requires a methodical approach, as "Zexel" refers to the manufacturer of the pump (a joint venture between Bosch and Diesel Kiki), while the ECU is typically a Nissan-specific unit managing the or VP44 rotary injection pumps. nissan zexel ecu pinout work
With the ECU disconnected from the vehicle, check for continuity between the metal outer casing of the ECU and the pins on the header. Pins showing less than 0.5 Ohms of resistance to the casing are typically power grounds. Step 2: Trace the Power Supplies ECU pinouts can vary wildly between vehicle models