Check for 12V at the SPV relay and ensure the NE+ sensor has continuity.
This connects to the Map Sensor. It tells the ECU how much boost the turbo is making so it can add more fuel. 1kz ecu pinout
These are calibration resistors inside the pump wiring. They tell the ECU the specific tolerances of that individual injection pump. Check for 12V at the SPV relay and
If you are doing a conversion into an older mechanical vehicle, you must ensure these pins are addressed: 1kz ecu pinout
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Essential for cold starts and glow plug timing.
Triggers the light on your dash to show when the glow plugs are heating.