While specific pin locations can vary slightly between the EJ-VE and EF-DET, most L9-series EFI ECUs follow this general structure for their main connectors:
These pins are critical for basic operation. If your car won't start, check these first. wiring diagram daihatsu l9 ecu pinout
When identifying wires in the harness, Daihatsu typically uses the following standard color conventions: While specific pin locations can vary slightly between
: Most sensor signals (like MAP or TPS) operate on a 5V reference . If you see 12V on these lines, there may be a short to the power rail. wiring diagram daihatsu l9 ecu pinout
Daihatsu ECU Wiring Pinout Guide | PDF | Electronic Circuits