Contains CAN-Bus lines, ignition switch signals, and K-Line diagnostics. Verified Bench Flash Pinout
Are you trying to perform a , an immobilizer delete , or diagnosing a no-start condition ?
Here's a breakdown of the ME20 pinout:
| Pin # | Signal Name | Description | | --- | --- | --- | | 1 | VBatt | Battery voltage supply | | 2 | GND | Ground | | 3 | Ref_Volt | Reference voltage (5V) | | 4 | IGN_SW | Ignition switch input | | 5 | START_SW | Starter switch input |
Wakes up the main processor. Verified Pin: Plug 1, Pin 3 2. Communication Interfaces bosch me20 pinout verified
Verify that the ground pin of your OBD2 interface/tool is tied to the exact same ground source as the ECU power supply ground.
Which are you trying to connect to the unit? Share public link Contains CAN-Bus lines, ignition switch signals, and K-Line
Plug E interfaces the engine with the vehicle chassis. When swapping a Mercedes V6 or V8 engine into a non-Mercedes vehicle, this plug dictates your ignition switch and diagnostic inputs. Switched Ignition (+12V Input from key switch) Pin 5: Throttle Pedal Sensor (Drive-by-Wire) Channel 1 Pin 6: Throttle Pedal Sensor (Drive-by-Wire) Channel 2 Pin 11: K-Line Diagnostics (Connects to OBD2 port Pin 7)
His objective was clear: perform an procedure to bypass a stubborn immobilizer. To do it, he needed the "Holy Grail"—a verified pinout. He checked his notes one last time, referencing a worn Bosch ECU Pinout Guide . The Verified Connections Verified Pin: Plug 1, Pin 3 2
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