wiring diagram daihatsu l9 ecu pinout

This includes diagnostic lines (K-Line, CAN bus on later models), A/C clutch relay, radiator fan control, and on the Copen L880, the electric power steering (EPS) interface.

This report provides a practical ECU pinout and wiring overview for a Daihatsu L9 (assumed L9-series engine/ECU). It includes assumed connector layouts, common signal descriptions, wiring colour conventions, diagnostic connections, and safety notes for testing and repairs. If your vehicle differs (model/year), specify it for exact pin numbering.


For reading fault codes (Malfunction Indicator Lamp) on older L9 models:


G-E326TP51F5