AR31.19-P-1300QA | Remove/install trailer recognition control unit | 17.8.06 |
MODEL 209.420 /442 /454 /456 /461 /465 /472 /475 1#
with CODE (550) Trailer hitch
except CODE (772) AMG styling package - front spoiler, side skirts and rear apron
trailer hitch with detachable ball neck
P31.19-2137-06
1 Bolt
2 White, 14-pin connector
3 Black, 6-pin connector
N10/2 Rear SAM control unit with fuse and relay module
N28/1 Trailer recognition control unit
Modification notes
| Remove/install | ||
1 | Remove coverings in trunk | Only left side lining. | |
2 | Remove rear SAM control unit with fuse and relay module (N10/2) | Do not detach electrical couplings. | |
3 | Undo screw (1) and remove trailer recognition control unit (N28/1) from rear SAM control unit with fuse and relay module (N10/2) | ||
4 | Release and remove white, 14-pin connector (2) on the trailer recognition control unit (N28/1) | ||
5 | Unclip black, 6-pin connector (3) on the trailer recognition control unit (N28/1) and remove the trailer recognition control unit (N28/1) | ||
6 | Install in the reverse order | Steps 5 up to 1. | |
| Checking | ||
7 | Performing function test of light signals at trailer coupling socket | ||
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