Massage Function Control Unit, Component Description - GF91.25-S-5212TRF
Model 447
With Code U90 (Left luxury seat of 1st seat row)
With Code XM0 (Facelift)
Except Code XM7 (MOPF II)
Model 447
With Code U91 (Right luxury seat of 1st seat row)
With Code XM0 (Facelift)
Except Code XM7 (MOPF II)
Location
The left 1st rear seat row massage function control unit (N32/47) or right 1st rear seat row massage function control unit (N32/48) is in the backrest frame of the left 1st rear seat row or right 1st rear seat row.
Tasks
The massage function control unit actuates the massage function for the respective rear seat according to the request from the following control units:
- Left 1st rear seat row seat adjustment control unit with memory (N25/20)
- Right 1st rear seat row seat adjustment control unit with memory (N25/21)
The request is forwarded via the left 1st rear seat row seat heating/ventilation control unit (N32/12) or right 1st rear seat row seat heating/ventilation control unit (N32/13) to the integrated regulating valve unit.
At the same time, the left 1st rear seat row massage insert air cushion pneumatic pump (M25/15) or right 1st rear seat row massage insert air cushion pneumatic pump (M25/16) is actuated as per the request.
Structure
The left 1st rear seat row massage function control unit or right 1st rear seat row massage function control unit contains the following component parts:
- Control electronics
- LIN transceiver
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