This is a detailed technical guide regarding the Nissan Zexel ECU pinout. It is important to note from the outset that "Zexel" refers to the manufacturer (a joint venture between Bosch and Diesel Kiki), and these ECUs were predominantly used in and some industrial engines.
Found on specific pins (often a green wire) used for communicating with OBD-I or early OBD-II scanners via the Nissan Consult protocol.
Transmits diagnostic requests from the scanner to the ECU. nissan zexel ecu pinout
Diagnosing a Zexel ECU requires a proper connection. The process varies depending on your model and its diagnostic port.
A redundant potentiometer setup reading the gas pedal position. This is a detailed technical guide regarding the
Outputs a command to the engine ECU to raise idle speed and engage the magnetic compressor clutch.
Verify exists at both the constant and ignition pins right at the back of the ECU plug. Transmits diagnostic requests from the scanner to the ECU
Since "Zexel" is used across many models, always verify your unit using the part number on the sticker: Nissan Patrol (Y61): Often looks like 23710-VC616 (Zexel 407917-061). Nissan Terrano (2.7 TDI): Often looks like 23710-7F403 (Zexel 407913-120). Bench Testing:
Often paired with the ZD30DDTi 3.0L engine.
This comprehensive guide breaks down the architecture of Nissan Zexel ECUs, provides standard pinout configurations, and explains how to safely probe these modules. What is a Nissan Zexel ECU?
Controls the precise amount of fuel delivered.