1kz Ecu Pinout [extra — Quality]
Swapping a 1KZ-TE into a Hilux, 4Runner, or even a classic BJ40? You need only these essential pins:
: Various ground points for the computer and sensors. Engine Sensors : NE+ / NE- : Engine revolution (Crank) sensor signals. TDC+ : Top Dead Center position sensor. THW : Engine coolant temperature sensor. THA : Intake air temperature sensor. PIM : Turbo pressure sensor (Manifold Absolute Pressure). Fuel & Actuators : SPV : Spill Valve control for fuel injection volume. TCV : Timer Control Valve for injection timing. STA : Starter signal. Diagnostic Standards
Note: Wire colors and pin positions can vary based on the specific vehicle chassis (KZN185 vs KZN130, etc.). Always verify with a multimeter. 1kz ecu pinout
Disclaimer: Always refer to the factory Toyota EWD for your specific chassis year and market (JDM, Europe, General). The above pinout is based on common 1KZ-TE ECUs (1993–2002) and should be verified with a multimeter before cutting wires.
: This is the "Electronic" version. While it is often described as "old school," its engine management system is relatively sophisticated. It features an electronic injection pump controlled by the ECU via a Spill Control Valve (SPV) and various sensors. The "E" makes all the difference. This version requires a fully intact engine harness, a functioning ECU, and a correct wiring configuration to run. Most of the pinout discussions revolve around this specific variant. Swapping a 1KZ-TE into a Hilux, 4Runner, or
The injection pump spill valve (A11) must see the correct PWM signal. If you omit the TPS or coolant sensor, the ECU defaults to a "limp mode" with severely reduced power.
Check pin A18 (EDU) or C11 (FC) . If the fuel cut solenoid loses ground through the ECU, the engine dies. On many swaps, people bypass this by wiring the fuel cut solenoid directly to the ignition switch (12V), but this prevents the ECU from cutting fuel for anti-run-on. It’s safer to let the ECU control it. TDC+ : Top Dead Center position sensor
These pins receive signals from the crankshaft and camshaft position sensors to synchronize injection timing. PIM (Pressure Intake Manifold):
If you are swapping a 1KZ-TE into an older Hilux (like a 3L or 5L conversion) or a custom rig, you only need a handful of wires connected to make the engine start and run:
Ground circuits. E1 is the main chassis ground, E2 is the sensor ground return, and E01/E02 are heavy-duty injector/spill valve driver grounds. Fuel Control & Injection
| Pin | Signal | Notes | |-----|--------|-------| | B1 | #10 (Injector 1) | To spill control valve? No – wait: 1KZ-TE has – 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 |