Replace AIRSCARF Control Unit - AR91.30-P-2005LWP
Model 238.4
With Code 403 (Heating in head area)
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Remove/install | |||
| 1 | Perform initial startup of AIRSCARF control unit (N25/7) | When replacing AIRSCARF control unit (N25/7). | |
| AD00.00-P-2000-06LWO | |||
| 2 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m) | ||
| 3 | Remove seat cushion in rear | AR91.12-P-1020LW | |
| 4 | Place the insulation mat under the seat cushion to one side | ||
| 5 | Remove seat backrest in rear left | AR91.12-P-1721LWR | |
| 6 | Push the trim (1) to one side until the underlying nut (2) is accessible | ||
| 7 | Unscrew nuts (2, 3) | ||
| 8 | Remove the bracket (4) with the AIRSCARF control unit (N25/7) upwards (arrow A) | ||
| 9 | Press the catch hooks (arrows B) together, lift the AIRSCARF control unit (N25/7) slightly and extend downwards (arrow C) | ||
| 10 | Disconnect electrical connectors (5) | ||
| 11 | Install in the reverse order |