Engine control unit, Control unit of the reducing agent dosing system
- J623 - Engine control unit
- J880 - Control unit for reducing agent dosing system
- ST3 - Fuse Box 3
- SF12 - Fuse 12 in fuse box F
- T8am - Connector, 8-pin, black
- T14k - Connector, 14-pin, brown
- T17r - Connector, 17-pin, white
- T17t - Connector, 17-pin, brown
- TZ0s - Connector, 30-pin
- T94 - 94-pin connector
- 209 - Ground connection 6 in engine compartment wiring harness
- * - only for vehicles with SCR system
- *2 - see current fuse box diagram
| 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 |