Structure and inner electrical connection
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
A 3-pin plug connection connects the coolant pump to the vehicle electrical system. The actuating wire serves as a diagnostic cable at the same time.
| Item | Explanation |
|---|---|
| 1 | Evaluation electronics |
| 2 | Coolant pump drive |
PIN REFERENCE
| Pin | Explanation |
|---|---|
| Terminal 31L | Load ground |
| Terminal 87 | Supply voltage |
| SIG | Actuating wire |