There are "Normally Open" and "Normally Closed" SCVs depending on the year. Ensure your ECU part number matches the pump type.
OBD2 (K-Line or CAN) and the EDU trigger signals. Primary Pinout Functions (Common Denso 104-Pin/134-Pin) toyota 2kdftv ecu pinout diagram best
These are not direct injector wires. They are trigger signals sent to the EDU, which then fires the injectors. 3. Vital Engine Sensors There are "Normally Open" and "Normally Closed" SCVs
Always check the E2 (Sensor Ground) . A poor ground here will cause erratic idle and "Ghost" sensor codes. Conclusion Vital Engine Sensors Always check the E2 (Sensor Ground)
Below is a comprehensive guide to the 2KD-FTV ECU pinout, focusing on the most common 16-bit and 32-bit Denso configurations used between 2005 and 2015. Understanding the 2KD-FTV ECU Architecture
Intake Manifold Pressure (Boost Sensor). Critical for fuel mapping under load.
Crank/Cam positions, Rail Pressure, MAP (Turbo Boost), and Water Temp.