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

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

Component Identification:

Task
The front passenger front seat adjustment control unit with memory is responsible for:
^ Sensing the sensor signals (memory block number, circuit status)
^ Sensing 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
^ Backrest 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 inclination adjustment
^ Hall sensors for front passenger seat head restraint

Switching consumers via relays
^ Front passenger seat longitudinal adjustment motor(M28/1)
^ Front passenger rear seat height adjustment motor (M28/2)
^ Front passenger front seat height adjustment 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 participant of the CAN interior bus