Massage Function Control Unit, Component Description - GF91.25-S-5212A
Model 447
With Code U90 (Left luxury seat of 1st seat row)
With Code XM7 (MOPF II)
Model 447
With Code U91 (Right luxury seat of 1st seat row)
With Code XM7 (MOPF II)
Left and right 1st rear seat row massage function control unit, shown on model 447.8
The numbers on the pins indicate the pin numbering of the slots.
Overview
This document contains information on:
- General information
- Function
- Ground connection
- Power supply
General information
The left 1st rear seat row massage function control unit (N32/47) and right 1st rear seat row massage function control unit (N32/48) are installed in the respective seat backrest of the optional luxury seat.
Function
The left 1st rear seat row massage function control unit (N32/47) and right 1st rear seat row massage function control unit (N32/48) actuate the respective left 1st rear seat row air cushion massage insert pneumatic pump (M25/15) and right 1st rear seat row air cushion massage insert pneumatic pump (M25/16) directly.
The following input parameters and initial parameters are read in or output over direct lines by the left 1st rear seat row massage function control unit (N32/47):
| Input factors over a direct line | Initial parameters over a direct line |
|---|---|
| Circuit 30t | - |
| Circuit 31 | - |
| LIN | LIN |
| - | "Terminal 15" supply for left 1st rear seat row seating comfort control unit (N32/16) |
| - | Left 1st rear seat row seating comfort control unit ground connection (N32/16) |
| - | Actuation of left 1st rear seat row air cushion massage insert pneumatic pump (M25/15) |
| - | Left 1st rear seat row air cushion massage insert pneumatic pump ground connection (M25/15) |
The following input parameters and initial parameters are read in or output over direct lines by the right 1st rear seat row massage function control unit (N32/48):
| Input factors over a direct line | Initial parameters over a direct line |
|---|---|
| Circuit 30t | - |
| Circuit 31 | - |
| LIN | LIN |
| - | "Terminal 15" supply, right 1st rear seat row seating comfort control unit (N32/17) |
| - | Right 1st rear seat row seating comfort control unit ground connection (N32/17) |
| - | Actuation of right 1st rear seat row air cushion massage insert pneumatic pump (M25/16) |
| - | Right 1st rear seat row air cushion massage insert pneumatc pump ground connection (M25/16) |
Input parameters and initial parameters for the following control units are sent or received by the left 1st rear seat row massage function control unit (N32/47) and the right 1st rear seat row massage function control unit (N32/48) over the vehicle interior CAN (CANB):
| Input parameters and initial parameters via interior CAN (CANB) | Supplemental information |
|---|---|
| Battery module 48 V battery (A66) | With code M56 (48V technology) |
| Signal acquisition and actuation module (SAM) control unit (N10/1) | - |
| Left 1st rear seat row seat adjustment control unit with memory (N25/20) | With code U90 (Luxury seat, 1st seat row, left) |
| Right 1st rear seat row seat adjustment control unit with memory (N25/21) | With code U91 (Luxury seat, 1st seat row, right) |
| Anti-theft alarm system (ATA) control unit (N26/6) | With CODE FY1 (Theft protection package) |
| Parameterizable special module (PSM) control unit (N26/16) | With code ED5 (Parameterizable special module) With code JO3 (OLU Connect Unit) With code ZK0 (EASY UP pop-up roof, electric) With code ZK0 (electrohydraulic pop-up roof) With code ZK7 (MARCO POLO equipment line) |
| Trailer recognition control unit (AAG) (N28/1) | With code E57 (Electrics for trailer socket) With code Q22 (Trailer coupling with non-removable ball head) With CODE Q50 (Trailer hitch with removable ball head) |
| Driver seat adjustment control unit with memory (N32/5) | With CODE SF1 (Electrically adjustable driver seat) |
| Front passenger seat adjustment control unit with memory (N32/6) | With CODE SF2 (Electrically adjustable front passenger seat) |
| Left 1st rear seat row seat heater/ventilation control unit (N32/12) | With code H05 (Rear seat climate control, 1st seat row) With code U90 (Luxury seat, 1st seat row, left) |
| Right 1st rear seat row seat heater/ventilation control unit (N32/13) | With code H05 (Rear seat climate control, 1st seat row) With code U91 (Luxury seat, 1st seat row, right) |
| Left 2nd rear seat row seat heater/ventilation control unit (N32/14) | With code H07 (Rear seat climate control, 2nd seat row) With code U96 (Luxury seat, 2nd seat row, left) |
| Right 2nd rear seat row seat heater/ventilation control unit (N32/15) | With code H07 (Rear seat climate control, 2nd seat row) With code U97 (Luxury seat, 2nd seat row, right) |
| Left front door control unit (N69/3) | - |
| Right front door control unit (N69/4) | - |
| Right sliding door control unit (E-LSTR) (N69/6) | With code T55 (Electric operation for right sliding door) |
| Left sliding door control unit (E-LSTL) (N69/7) | With code (T56) Electrical actuator for left sliding door |
| Overhead control panel control unit (OCP) (N70) | With code D34 (Panoramic sliding sunroof) With code LC4 (Comfort overhead control panel) With CODE FY1 (Theft protection package) |
| Electronic ignition lock (EZS) control unit (N73/8) | - |
| Panoramic sliding sunroof (PSD) control unit (N98) | With code D34 (Panoramic sliding sunroof) |
| Ambient lighting control unit (N162/1) | Model 447.8 With code LE3 (Ambient lighting with 64 colors in cockpit and rear passenger compartment), With code LE4 (Ambient lighting with 64 colors in cockpit) With code LE5 (Ambient lighting with 64 colors in Marco Polo, complete) |
| Rear seat monitoring control unit (N191) | - |
Ground connection
The "Terminal 31" ground connection is made through the crossmember/body cockpit ground point (W1/8).
Power supply
The "circuit 30t" power supply is provided via the firewall fuse and relay module (K40/11).