Are you planning to this ECU or are you performing a stage 1 remap ?
The ME7.4.5 uses three main connectors: T121 (engine harness), T94 (vehicle harness), and T80 (secondary functions). The most referenced for tuning/repair is T121 (121-pin). me7.4.5 pinout
For vehicle-specific pin variations (e.g., Audi TT Quattro vs. FWD Golf), leave a comment with your engine code (AUM, BAM, APX, AUG) and model year. Are you planning to this ECU or are
The ME7.4.5 uses a "Drive-by-Wire" system. For vehicle-specific pin variations (e
| Pin No. | Function | Description | | :--- | :--- | :--- | | | Tachometer | Engine RPM Output to Dashboard | | A24 | MIL Lamp | Malfunction Indicator Lamp (Ground trigger) | | B16 | Fan Control | Cooling Fan Relay Control (Low/High speed) | | B22 | EVAP Purge | Charcoal Canister Purge Valve Control | | C1 | Injector 1 | Fuel Injector Cylinder 1 Drive | | C2 | Injector 2 | Fuel Injector Cylinder 2 Drive | | C3 | Injector 3 | Fuel Injector Cylinder 3 Drive | | C4 | Injector 4 | Fuel Injector Cylinder 4 Drive | | C5 | Ignition 1 | Ignition Coil 1 Control | | C6 | Ignition 2 | Ignition Coil 2 Control | | C7 | Ignition 3 | Ignition Coil 3 Control | | C8 | Ignition 4 | Ignition Coil 4 Control | | C9 | Idle Air Control | Idle Speed Control Valve (Stepper motor drive) | | C12 | Throttle Motor | Electronic Throttle Motor Drive (+) | | C13 | Throttle Motor | Electronic Throttle Motor Drive (-) |
Crank/Cam Sensing
