| Pin Number | Signal Name | Description | | --- | --- | --- | | 60 | K-Line | Diagnostic communication line | | 61 | L-Line | Diagnostic communication line |
Here is the verified pinout for the 172-pin connector: bosch me20 pinout verified
| Pin Number | Signal Name | Description | | --- | --- | --- | | 40 | A/C Relay | Air conditioning relay control | | Pin Number | Signal Name | Description
The 80-pin connector is used for additional I/O and sensor connections. bosch me20 pinout verified