[upd] - Me7.4.5 Pinout

If you need help with a specific part of this project, let me know:

What is the printed on your microcontroller? (e.g., ST10F275 or ST10F280) AI responses may include mistakes. Learn more Share public link

Various professional tuning interfaces support this ECU via pinout: DFB Technology : Offers a full system driver for reading and writing via pinout. Combiloader : Provides a specific Bosch ME7.4.5 PSA (J2534) module for these units. DFB Technology

Typically a 95320 chip. This stores the Immobilizer (Immo) data and coding. Microprocessor: ST10F275. me7.4.5 pinout

for reading/writing the internal flash memory, specific hardware modifications are typically required: Resistors: ) resistors to the board.

| Pin # | Signal Name | Description | | --- | --- | --- | | 1 | B+ | Battery voltage | | 2 | IG | Ignition switch | | 3 | GND | Ground | | ... | ... | ... | | 10 | TPS | Throttle position sensor | | 12 | MAP | Manifold absolute pressure sensor | | ... | ... | ... |

| Pin Number | Pin Name | Description | | --- | --- | --- | | 50 | CAN_H | CAN bus high | | 51 | CAN_L | CAN bus low | | 60 | LIN | LIN bus | If you need help with a specific part

If using the ME7.4.5 in a standalone configuration:

The ME7.4.5 pinout follows a logical Bosch architecture but requires strict attention to ground integrity and CAN bus communication for proper operation. When diagnosing faults, technicians should prioritize checking power supply pins (A3, A6) and ground pins (A1, A2, A4) before proceeding to sensor checks.

Click to ensure the software reads the ECU hardware and software numbers correctly. Combiloader : Provides a specific Bosch ME7

Commonly used for more modern communication protocols, with High on A3 and Low on A4 in some configurations. Advanced Operations: Boot Mode

Brown Connector -> Pin M4

| Symptom | Likely Cause | Check Pin | |---------|--------------|------------| | No communication with OBD | K‑line open or shorted | B20 | | No start, no injector pulse | Missing permanent +12V | B7 | | Erratic throttle / idle | Sensor ground lifted | B23 | | CAN fault codes | CAN H/L swapped or broken | B12, B13 | | A/C not engaging | Clutch request missing | C1 |

The ME7.4.5 platform operates on an STMicroelectronics ST10F275 or equivalent micro-controller base combined with an external chip storing safety critical vehicle immobilizer variables. Working with this module typically presents three physical connection ports, designated standardly via software like Alientech K-Suite, DFB Technology, or Piasini Engineering protocols. Bosch ME7.4.5 Primary Bench Wiring Pinout