S5 Quattro Coupe V8-4.2L (CAUA) (2009)
Power Seat Control Module: Service and Repair
Power Standard Front Seat With or Without Memory Function
Power Standard Front Seat with or without Memory Function
Front Seat with Faulty Seat Forward/Back Adjustment Motor or Control Module
Test the seat forward/back adjustment motor or control module
CAUTION!
‹› Follow the safety precautions for pyrotechnic components.
‹› Before handling pyrotechnic components (e.g. disconnecting the electrical connector), the person handling it must "discharge static
electricity ". This can be done by touching door striker, for example.
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Move the seat as far up as possible.
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Remove tunnel side trim panel. Refer to => [ Trim, Sill Side ].
‹› Check electrical and electronic components and wires before removing seat further to avoid unnecessary repair costs.
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Perform the following tests:
‹› Check the fuse.
‹› Check the voltage at the connector station and perform fault finding if necessary.
‹› Check the voltage to the control module.
‹› Check the voltage to the seat forward/back adjustment motor (V288).
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If fuse is faulty: replace fuse.
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If voltage to connector station is low: Repair or replace the wire.
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If the driver seat forward/back adjustment motor (V28) or front passenger seat forward/back adjustment motor (V31) is faulty Replace lower
frame of seat pan. Refer to => [ Seat Pan, Disassembling and Assembling ] See: Body and Frame/Seats/Service and Repair/Removal and
Replacement/Power Standard Front Seat with or without Memory Function.
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If the memory seat/steering column adjustment control module (J136) or passenger memory seat control module (J521) is faulty: Replace control
module. Refer to => [ Memory Seat/Steering Column Adjustment Control Module ].
Remove if the seat forward/back adjustment motor is faulty