NOx Sensor 2, Engine Control Unit, NOx Sensor 2 Control Unit

- G687 - NOx Sensor 2
- J623 - Engine control unit
- J881 - NOx sensor control unit 2
- N474 - Nozzle of reducing agent
- S360 - NOx sensor fuse
- T17t - Connector, 17-pin, brown
- T94 - Connector, 94-pin
- 50 - Ground connection point in luggage compartment 50 left
- 371 - Ground connection 6 in main wiring harness
- D169 - Connection (NOx) in the engine compartment wiring harness
- D178 - Connection 2 (bus, wire High) in the engine compartment wiring harness
- D179 - Connection 2 (bus, wire Low) in the engine compartment wiring harness
- * - only for vehicles with SCR system
| ws | white | sw | black |
| ro | red | rt | red |
| br | brown | gn | green |
| bl | blue | gr | grey |
| li | purple | vi | purple |
| ge | yellow | or | orange |
| rs | pink |
