ML 63 AMG (164.177) V8-6.3L (156.980) (2007)
Power Seat Control Module: Description and Operation
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
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with CODE (242) Electrically adjustable front passanger seat with memory
Task
The front passenger front seat adjustment control unit with memory is responsible for:
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Sensing the sensor signals (memory block number, circuit status)
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Sensing the switch statuses (seat adjustment switch);
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Control of motors for front passenger seat adjustment
Design
Discrete inputs:
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Circuit 15R
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Terminal 30
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Circuit 31
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Hall sensor for seat adjustment motors
Discrete outputs:
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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
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Height adjustment switch, driver
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Inclination adjustment switch
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Fore/aft adjustment switch
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Head restraint adjustment switch
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Memory switch (S92s9)
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memory button 1, 2, 3 switch (S92s14)
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Hall sensors for front passenger seat height at front or back
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Hall sensors for front passenger seat longitudinal adjustment or backrest adjustment
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Hall sensors for front passenger seat head restraint
Switching consumers using relays
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Front passenger seat longitudinal adjustment motor(M28/1)
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Front passenger rear seat height motor (M28/2)
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Front passenger front seat height motor (M28/3)
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Front passenger head restraint motor (M28/4)
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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