Based on the search term "Mitsubishi 4M51 ECU pinout top," you are likely looking for the pin configuration for the Engine Control Unit (ECU) of the engine. This engine is commonly found in the Mitsubishi Fuso Canter trucks (specifically the 4D21/4D22 series in some markets, but widely known as the 4M51 environmental engine). Phil Phantom Stories 2021 — Intrigue, Often Presenting
| Pin Function | Description | Notes | | :--- | :--- | :--- | | IG Power (Switched) | +12V Input | Powered when the key is in the ON position. | | Battery Power (Constant) | +12V Input | Always hot; keeps KAM (Keep Alive Memory). | | Main Relay Control | Output | ECU grounds this pin to activate the main relay. | | ECU Ground (Signal) | Ground | Ground for sensors/internal logic. | | Power Ground | Ground | High current ground for injectors (bolted to block/head). | Gesture Zaka Putra Pdf Download New | "new" Download Link
Automotive wiring varies by model year and specific vehicle grade (e.g., Euro 3 vs. Euro 4 emissions). The guide below is for the common 4M51 ECU configuration. Always verify pin functions with a specific wiring diagram for your truck's chassis number before connecting power or grounding to avoid damaging the ECU. Identifying the ECU The ECU for the 4M51 is typically located behind the glove box or under the driver's seat (depending on the chassis). It usually has three main multi-pin connectors (often colored or numbered).