Multiple Restraint System Control Unit X18069 Connector End View
Pin Assignments At Plug Connector X18069
| Pin | Type | Description /Signal type | Connection /Measuring notes |
|---|---|---|---|
| 1 | A | Signal, seat belt tensioner trigger - | Generator, Driver's seat belt tensioner |
| 2 | A | Signal, seat belt tensioner trigger + | Generator, Driver's seat belt tensioner |
| 3 | A | Signal, seat belt tensioner trigger + | Generator, passenger's seat belt tensioner |
| 4 | A | Signal, seat belt tensioner trigger - | Generator, passenger's seat belt tensioner |
| 5 | A | Positive activation Battery safety terminal | Generator, safety battery terminal |
| 6 | A | Negative activation Battery safety terminal | Generator, safety battery terminal |
| 7 | A | Signal, airbag trigger + | Head airbag inflator assembly, left |
| 8 | A | Signal, airbag trigger - | Head airbag inflator assembly, left |
| 9 | A | Signal, airbag trigger - | Head airbag inflator assembly, right |
| 10 | A | Signal, airbag trigger + | Head airbag inflator assembly, right |
| 11 | A | Signal, airbag trigger + | Side airbag inflator assembly, driver |
| 12 | A | Signal, airbag trigger - | Side airbag inflator assembly, driver |
| 13 | A | Signal, airbag trigger - | Side airbag inflator assembly, passenger |
| 14 | A | Signal, airbag trigger + | Side airbag inflator assembly, passenger |
| 15 | Not used | ||
| 16 | Not used | ||
| 17 | Not used | ||
| 18 | Not used | ||
| 19 | Not used | ||
| 20 | Not used | ||
| 21 | Not used | ||
| 22 | Not used | ||
| 23 | A | Supply, sensors and actuators | Airbag sensor, front left door |
| 24 | M | Sensor ground | Airbag sensor, front left door |
| 25 | A | Supply, sensors and actuators | Airbag sensor, left B-pillar |
| 26 | M | Sensor ground | Airbag sensor, left B-pillar |
| 27 | A | Supply, sensors and actuators | Airbag sensor, left B-pillar |
| 28 | A | Supply, sensors and actuators | Airbag front sensor, left |
| 29 | M | Sensor ground | Airbag front sensor, left |
| 30 | A | Supply, sensors and actuators | Airbag sensor, front right door |
| 31 | M | Sensor ground | Airbag sensor, front right door |
| 32 | A | Supply, sensors and actuators | Airbag sensor, right B-pillar |
| 33 | M | Sensor ground | Airbag sensor, right B-pillar |
| 34 | A | Supply, sensors and actuators | Airbag sensor, right B-pillar |
| 35 | A | Supply, sensors and actuators | Airbag front sensor, right |
| 36 | M | Sensor ground | Airbag front sensor, right |
| 37 | E | Signal, Driver's seat belt contact | Driver's seat belt buckle contact |
| 38 | E | Signal, front passenger's seat belt contact | Passenger's seat belt buckle contact |
| 39 | Not used | ||
| 40 | Not used | ||
| 41 | M | Shield | Ground point |
| 42 | E | Terminal 15 | Fuse F18 |
| 43 | M | Ground | Ground X46 |
| 44 | A | Passenger airbag deactivation | Indicator lamp for passenger airbag deactivation |
| 45 | M | Sensor ground | Airbag sensor, left B-pillar |
| 46 | M | Shield | Airbag front sensor, left |
| 47 | Not used | ||
| 48 | M | Shield | Ground point |
| 49 | Not used | ||
| 50 | Not used | ||
| 51 | E/A | K-bus signal | Instrument cluster control module |
| 52 | M | Sensor ground | Airbag sensor, right B-pillar |
| 53 | M | Shield | Airbag front sensor, right |