Remove/Install TV Tuner Control Unit - AR82.85-P-7366LWP
Model 238.4
With Code 865 (digital TV)
Shown With Code B01 (48V technology)
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Topical note | Notes on avoiding damage to optical fibers during repair work | AH82.60-P-0001-05AK | |
| Remove/install | |||
| 1 | Carry out initial startup of TV tuner control unit (N143) | When replacing the TV tuner control unit (N143). | |
| AD00.00-P-2000-06LWO | |||
| 2 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m) | ||
| 3 | Remove trunk recess cover | AR68.30-P-4600LWO | |
| 4 | Remove on-board electrical system battery | Model 238.4 with code 865 (digital TV) with code B01 (48V technology) | AR54.10-P-0009LWK |
| 5 | Remove screws (1) and lift up bracket (2) far enough to gain access to the nut (3) under the bracket (2) | Model 238.4 with code 865 (digital TV) with code B01 (48V technology) | |
| 6 | Remove parking system control unit from bracket (5) | Model 238.4 with code 235 (Parking Pilot with PARKTRONIC) with code 865 (digital TV) except code B01 (48V technology) |
AR54.65-P-0018LWP |
| 7 | Unscrew nuts (3) | ||
| 8 | Remove bolts (4) | ||
| 9 | Lift up bracket (5) with TV tuner control unit (N143) | ||
| 10 | Disconnect electrical connectors (6) and cover fiber-optic cables | ||
| 11 | Remove screw/bolts (7) | ||
| 12 | Remove TV tuner control unit (N143) downwards from bracket (5) | ||
| 13 | Install in the reverse order |