Search for “EFSE ECU connector view diagram” or join the Daihatsu Hijet Owners Facebook group for community-sourced wiring corrections. Disclaimer: Always disconnect the battery before probing ECU pins. Use a high-impedance multimeter (10MΩ) to avoid damaging the 5V circuit. This guide applies to EFSE engines in Hijet models with 36-pin Denso ECUs – verify your connector style before probing.
If you own a Daihatsu Hijet (S85, S86, S100, or S110 chassis) equipped with the legendary EFSE 650cc inline-3 cylinder engine, you already know the struggle. This little kei truck is a workhorse, but when things go wrong, they often go wrong while the engine is hot —that is, at operating temperature or under load. daihatsu hijet efse ecu pinout hot
For serious performance builds, consider a standalone ECU, but always keep a copy of this pinout handy. Your Hijet’s little three-cylinder heart depends on it. Search for “EFSE ECU connector view diagram” or