For those looking to increase power, "piggyback" modules often intercept the TPS and Fuel Quantity pins. By modifying these signals, the ECU is tricked into holding the fuel rack open longer, increasing torque. Always ensure your EGT (Exhaust Gas Temp) is monitored when modifying Zexel pinout signals. Pin Function Typical Wire Color Expected Signal Main Relay Black/White Pump Actuator Red/Yellow PWM (Duty Cycle) RPM Signal AC Sine Wave Diagnostic (K-Line) Digital Data
Unplug your ECU. Use a 12V test light between: nissan zexel ecu pinout work
Tells the ECU how much "load" the driver is requesting. For those looking to increase power, "piggyback" modules
Below is a verified pinout for the . Use this as your primary reference for pinout work. For those looking to increase power