The typical L9 ECU functions are divided into three primary categories across the wiring harness connectors. Power Supply and Grounding

The most reliable information is always the manufacturer's service documentation. For the Daihatsu L9 (Move), the official contains detailed system wiring diagrams, ECU terminal arrangement, location of components, fail‑safe functions, and ECU input/output signal checks.

The you are working with (EF-VE, EF-DET, or JB-DET)?

Understanding the pinout is essential for engine swaps, wiring troubleshooting, or installing aftermarket electronics like turbo timers and piggyback controllers. Common Daihatsu L9 ECU Pinout Layouts

Black/Yellow (often triggers ground to turn on light). Speed Signal (to ECU): Light Green/Red. Injector and Ignition Outputs Injector 1, 2, 3, 4: Specific numbered pins.

Are you currently troubleshooting a or performing an engine swap ? EF Engine ECU Pinouts - DIY or TECHNICAL - Live To Dai

Connects to the Intake Air Temperature (IAT) sensor.

If you are installing a programmable aftermarket ECU (e.g., Link, Haltech, or MoTeC), companies like or Compact Motorsport supply pre‑made adapter looms. These come with a pinout guide specific to your L9, ensuring a plug‑and‑play installation without cutting the factory harness.

Timing signals sent to the ignition coils or igniter to spark the cylinders.