Engine control unit, Reductant dosing system control unit
![](https://www.audimanual.ru/img/q/4430.jpg)
- J623 - Engine control unit
- J880 - Control unit for reducing agent dosing system
- ST3 - Fuse Box 3
- SF12 - Fuse 12 in fuse block F
- Т8am - Connector, 8-pin, black
- Т14k - Connector, 14-pin, brown
- T17r - Connector, 17-pin, white
- T17t - Connector, 17-pin, brown
- TZ0s - Connector, 30-pin
- T94 - Connector. 94 pin
- 209 - Connection to ground 6 in the engine compartment wiring harness
- * - only for vehicles with SCR system
- *2 - see current fuse diagram
ws | white | sw | black |
ro | red | rt | red |
br | brown | gn | green |
bl | blue | gr | grey |
li | lilac | vi | lilac |
ge | yellow | or | orange |
rs | pink |
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