Below is the pinout for a D40 Navara / Pathfinder (2005–2010) . If your engine is YD25 with DPF (2010+), some pins differ. Connector Layout – 2 connectors (F1: 94-pin, F2: 60-pin) ECU part numbers examples: 23710-EB70A, 23710-ET00A, 23710-5M30A F1 Connector (94 pins) – Main engine sensors & power | Pin | Signal | Description | |------|--------|-------------| | F1-1 | Ground | Sensor ground | | F1-2 | +5V Vref | 5V sensor supply | | F1-3 | CMP sensor + | Camshaft position sensor signal | | F1-4 | CKP sensor + | Crankshaft position sensor signal | | F1-5 | ECT sensor | Engine coolant temp | | F1-6 | IAT sensor | Intake air temp (in MAF) | | F1-7 | APP sensor 1 | Accelerator pedal position 1 | | F1-8 | APP sensor 2 | Accelerator pedal position 2 | | F1-9 | BARO sensor | Internal barometric pressure | | F1-10 | MAP sensor | Manifold absolute pressure | | F1-11 | EGR position sensor | EGR valve lift | | F1-12 | Fuel temp sensor | In fuel pump | | F1-13 | Rail pressure sensor signal | High pressure rail | | F1-14 | Rail pressure sensor ground | | | F1-15 | Rail pressure sensor +5V | | | F1-16 | Fuel temp sensor ground | | | F1-17 | EGR ground | | | F1-18 | +5V EGR | | | F1-19 | SCV (Suction Control Valve) + | Fuel pump metering | | F1-20 | SCV - | | | F1-21 | GND power | ECU main ground | | F1-22 | GND power | ECU main ground | | F1-23 | +12V battery | ECU main power | | F1-24 | +12V battery | ECU main power | | F1-25 | +12V ignition | ECU ignition switch | | F1-26 | VPWR relay control | Main relay output | | F1-27 | Glow plug relay control | | | F1-28 | EGR solenoid | EGR vacuum regulator | | F1-29 | VNT turbo actuator | Boost pressure control | | F1-30 | Fuel pump relay control | | | F1-31 | CAN High | OBD / BCM / TCM | | F1-32 | CAN Low | OBD / BCM / TCM | | F1-33 | K-line (diagnostic) | | | F1-34 | MAF sensor signal | Mass air flow | | F1-35 | MAF ground | | | F1-36 | MAF +12V | | | F1-37 | A/C compressor relay | | | F1-38 | Cooling fan relay 1 | | | F1-39 | Cooling fan relay 2 | | | F1-40 | Brake switch signal | | | F1-41 | Clutch switch signal (MT) | | | F1-42 | Neutral position switch (MT) | | | F1-43 | Park/Neutral (AT) | | | F1-44 | Starter signal | | | F1-45 | Alternator L signal | | | F1-46 | Vehicle speed sensor | | | F1-47 | Fuel pump (in tank) relay | | | F1-48 | Check engine light | | | F1-49 | Glow indicator lamp | | | F1-50 | Water in fuel sensor | | | F1-51 | Oil pressure switch | |
However, depend on which exact ECU model you have (e.g., E16, E17, E17A, E18, or Bosch EDC16/EDC17 variants). yd25 ecu pinout
(… up to F1-94 for less common pins like injector feedback, injector codes, second SCV, fuel heater relay) – Injector drivers & critical outputs | Pin | Signal | |------|--------| | F2-1 | Injector 1 (high side) | | F2-2 | Injector 2 (high side) | | F2-3 | Injector 3 (high side) | | F2-4 | Injector 4 (high side) | | F2-5 | Injector 1 (low side) | | F2-6 | Injector 2 (low side) | | F2-7 | Injector 3 (low side) | | F2-8 | Injector 4 (low side) | | F2-9 | Injector return ground | | F2-10 | Injector +48V boost (from capacitor module) | Below is the pinout for a D40 Navara