Mitsubishi 4m51 Ecu Pinout Work _top_ Jun 2026

: High and low communication lines for diagnostic and inter-module data. Diagnostic Support

The ECU is typically a small, metal-cased unit located under the dashboard (driver’s side kick panel) or behind the glovebox. It uses : mitsubishi 4m51 ecu pinout work

| Pin No. | Wire Color | Function | Notes | |---------|------------|----------|-------| | C01 | Br (Brown) | Cold Start Advance Solenoid | 12V when coolant <40°C | | C02 | O (Orange) | A/C Cut Relay | ECU disables A/C at WOT | | C03 | P (Purple) | Check Engine Light | Switched ground to lamp | | C04 | L/R (Blue/Red) | Starter Signal | 12V only while cranking | | C05 | V (Violet) | Alternator L-Terminal | Monitors charging status | : High and low communication lines for diagnostic