1kz Ecu Pinout < EXCLUSIVE - 2025 >

| Model | Stop Solenoid (A14) | TPS Signal (B4) | Crank Sensor (B1) | |-------------------|-------------------|-------------------|---------------------| | KZJ70 Prado | Red/Black | Yellow/Green | Red/Blue | | KZJ90 Prado | Red/White | Yellow/Black | Blue/Black | | Hilux Surf | Red/Black | Green/Yellow | Red/Blue | | Hiace (Van) | Black/Yellow | Yellow/Green | Light Green/Black |

Pin A3 (ground) corrodes. Symptoms include random stalling and low injection pump pressure. Connector B – Sensor Inputs (22P) | Pin | Wire Color | Sensor | Signal (Key ON) | |------|-------------|---------------------------|------------------| | B1 | Red/Blue | Crankshaft position (NE) | AC 0.5-1.0V (cranking) | | B2 | White/Blue | Camshaft position (G signal) | AC 0.5-1.0V | | B4 | Yellow/Green | Throttle position sensor (VTA) | 0.5V idle – 4.5V WOT | | B6 | Brown/White | Engine coolant temp (THW) | 2.5V cold – 0.2V hot | | B7 | Green/Black | Intake air temp (THA) | 3.0V cold – 1.0V hot | | B9 | Pink/Blue | Boost pressure sensor (PIM) | 1.0V at 0 psi – 3.5V at 15 psi | | B13 | Violet/White | Vehicle speed sensor (SPD) | 0-5V pulse (AC) | | B18 | Blue/Yellow | Neutral start switch (NSW) | 0V in Park/Neutral; 12V in gear | | B20 | Gray | EGR lift sensor | 0.5-4.5V | 1kz ecu pinout

Terminal release tool (small flathead), replacement pins (from Toyota or Ballenger Motorsports), and the official Toyota Electrical Wiring Diagram (EWD). | Model | Stop Solenoid (A14) | TPS

Bad injection pump ($2,000 repair quote). Bad injection pump ($2,000 repair quote)