GF91.29-P-5224GZ Component Description of Passenger-Side Front Seat Adjustment Control Unit With Memory

GF91.29-P-5224GZ Component Description Of Passenger-side Front Seat Adjustment Control Unit With Memory
- with CODE (242) Electrically adjustable front passanger seat with memory






Task
The front passenger front seat adjustment control unit with memory is responsible for:
- Sensing the sensor signals (memory block number, circuit status)
- Sensing the switch statuses (seat adjustment switch);
- Control of motors for front passenger seat adjustment

Design

Discrete inputs:
- Circuit 15R
- Terminal 30
- Circuit 31
- Hall sensor for seat adjustment motors

Discrete outputs:
- Power supply 12 V (+ and -) for all seat adjustment motors

Function
The front passenger front seat adjustment control unit with memory has the following functions:

Reading in sensors
- Height adjustment switch, driver
- Inclination adjustment switch
- Fore/aft adjustment switch
- Head restraint adjustment switch
- Memory switch (S92s9)
- memory button 1, 2, 3 switch (S92s14)
- Hall sensors for front passenger seat height at front or back
- Hall sensors for front passenger seat longitudinal adjustment or backrest adjustment
- Hall sensors for front passenger seat head restraint

Switching consumers using relays
- Front passenger seat longitudinal adjustment motor(M28/1)
- Front passenger rear seat height motor (M28/2)
- Front passenger front seat height motor (M28/3)
- Front passenger head restraint motor (M28/4)
- Front passenger backrest angle adjustment motor (M28/5)

CAN signals
The front passenger front seat adjustment control unit with memory is a subscriber on the passenger compartment CAN bus