1kz Ecu Pinout [updated] | WORKING ★ |

The Toyota (3.0L Turbo Diesel) ECU pinout is critical for engine swaps and diagnostics, but it varies slightly depending on whether your engine is from an early (e.g., KZN130 Hilux Surf) or later model (e.g., Hilux Tiger or KZN165) Standard 1KZ-TE ECU Pinout Reference

Connector B (22-pin – Injectors & Fuel Control)

| Pin | Signal | Notes | |-----|--------|-------| | B1 | #10 (Injector 1) | To spill control valve? No – wait: 1KZ-TE has no unit injectors – it has a rotary pump with electronic spill valve | | B2 | #20 (Injector 2) | Not used – correction: 1KZ-TE uses spill valve control from pump | | Actually – Key signals on B: | | | B6 | PCV (EGR vacuum control) | | | B7 | VSV (Fuel pressure up – cold start) | | | B8 | RSC (Rotational speed control – spill valve) | Main fuel quantity control | | B9 | TCV (Timing control valve) | Injection timing | | B10 | FSV (Fuel shutoff valve) | Stop solenoid | | B12 | IACV (Idle air control) | Stepper motor | 1kz ecu pinout

This is the heart of the fuel system. If the ECU doesn't send a signal to this pin, the engine will not start. It is often paired with a Spill Valve Relay (SVR) TDC and NE Signals: The Toyota (3

Connector Layout Overview

  • Connector A (32 pins) – Mostly power, grounds, injector pump control, and main relays.
  • Connector B (22 pins) – Sensors: TPS, coolant temp, crank position, vehicle speed.
  • Connector C (16 pins) – Idle-up, air conditioner, EGR, tachometer, and diagnostic link.
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