Component Location Overview - Electric And Electronic Components, A5 Coupe/SPORTBACK

Fig 1: Exploded View Of Seat Electric And Electronic Components, A5 Coupe/Sportback

Courtesy of AUDI

1. Seat Functions Control Module
   • Memory Seat/Steering Column Adjustment Control Module -J136-
   • Front Passenger Memory Seat Control Module -J521-
   • Equipped on some models: integrated seat ventilation and seat heating function
   • Refer to SEAT FUNCTIONS CONTROL MODULE, REMOVING AND INSTALLING 
2. Seat Position Sensor
   • Driver Seat Position Sensor -G553-
   • Front Passenger Seat Position Sensor -G554-
   • Refer to OVERVIEW - SEAT POSITION SENSOR
3. Passenger Seat Occupant Detection Sensor -G128-
   • for the front passenger seat only
   • Refer to Passenger Seat Occupant Detection Sensor -G128-, REMOVING AND INSTALLING
4. Seat Forward/Back Adjustment Motor
   • Driver Seat Forward/Back Adjustment Motor -V28-
   • Front Passenger Seat Forward/Back Adjustment Motor -V31-
   • Integrated in the seat pan lower frame; replace the seat pan lower frame if faulty. Refer to LOWER FRAME, REMOVING AND INSTALLING, SEAT FORWARD/BACK ADJUSTMENT MOTOR .
5. Seat Belt Switch
   • Driver Seat Belt Switch -E24-
   • Front Passenger Seat Belt Switch -E25-
   • Refer to FRONT SEAT BELT LATCH, REMOVING AND INSTALLING
6. Backrest Adjustment Motor
   • Driver Backrest Adjustment Motor -V45-
   • Front Passenger Backrest Adjustment Motor -V46-
   • Refer to OVERVIEW - FRONT BACKREST, BACKREST ADJUSTMENT MOTOR 
7. Lumbar Support
   • Driver Seat Lumbar Support Curvature Adjustment Motor -V125-
   • Driver Seat Lumbar Support Height Adjustment Motor -V129-
   • Front Passenger Seat Lumbar Support Curvature Adjustment Motor -V126-
   • Front Passenger Seat Lumbar Support Height Adjustment Motor -V130-
   • Refer to OVERVIEW - FRONT BACKREST, LUMBAR SUPPORT 
8. Seat/Backrest Bolster Adjuster Valve Block
   • Front Passenger Multi-Contour Seat Control Module -J872-
   • Driver Multi-Contour Seat Control Module -J873-
   • For the Pneumatic system
   • Refer to OVERVIEW - PNEUMATIC SYSTEM 
9. Headrest
   • Driver Headrest Adjustment Motor -V103-
   • Front Passenger Headrest Adjustment Motor -V104-
   • Equipped on some models
   • Refer to OVERVIEW - HEADREST 
10. Entry Assistance Button
    • Driver Entry Assistance Button -E358-
    • Front Passenger Side Entry Assistance Button -E359-
    • A5 Coupe only
11. Backrest Blower Fan
    • Left Front Seat Backrest Fan 1 -V512-
    • Right Front Seat Backrest Fan 1 -V516-
    • Refer to BACKREST FAN, REMOVING AND INSTALLING 
12. Front Thorax Airbag
    • with
      • Driver Thorax Airbag Igniter -N199-
      • Front Passenger Thorax Airbag Igniter -N200-
    • Refer to OVERVIEW - FRONT THORAX AIRBAG
13. Rear Footwell Lamp
    • Left Rear Footwell Lamp -W45-
    • Right Rear Footwell Lamp -W46-
    • Refer to LEFT REAR FOOTWELL LAMP -W45- /RIGHT REAR FOOTWELL LAMP -W46-, REMOVING AND INSTALLING .
14. Backrest Microswitch
    • Refer to MICRO SWITCH FOR BACKREST ADJUSTMENT, REMOVING AND INSTALLING 
15. Seat Cushion Blower Fan
    • Left Front Seat Cushion Fan 1 -V514-
    • Right Front Seat Cushion Fan 1 -V518-
    • Refer to SEAT CUSHION FAN, REMOVING AND INSTALLING 
16. Seat Height Adjustment Motor
    • Driver Seat Height Adjustment Motor -V245-
    • Front Passenger Seat Height Adjustment Motor -V246-
    • Not available separately; replace the seat pan upper frame if faulty. Refer to UPPER FRAME, REMOVING AND INSTALLING, SEAT HEIGHT ADJUSTMENT MOTOR .
17. Seat Adjustment Control Head
    • Driver Seat Adjustment Control Head -E470-
    • Front Passenger Seat Adjustment Control Head -E471-
    • Refer to OVERVIEW - SEAT PAN, POWER SEAT ADJUSTMENT ACTUATOR/SWITCH 
18. Massage Button
    • Driver Side Massage Function Button -E670-
    • Front Passenger Massage Function Button -E671-
    • Refer to Driver Side Massage Function Button -E670- / Front Passenger Massage Function Button -E671-, REMOVING AND INSTALLING 
19. Lumbar Support Adjustment Switch
    • Driver Seat Switch Module -E663-
    • Front Passenger Seat Switch Module -E664-
    • Refer to OVERVIEW - SEAT PAN, POWER SEAT ADJUSTMENT ACTUATOR/SWITCH 
20. Seat Angle Adjustment Motor
    • Driver Seat Angle Adjustment Motor -V243-
    • Front Passenger Seat Angle Adjustment Motor -V244-
    • Refer to OVERVIEW - SEAT PAN, SEAT ANGLE ADJUSTER 
21. Lumbar Support Adjustment Pump
    • Driver Lumbar Support Adjustment Pump -V152-
    • Front Passenger Lumbar Support Adjustment Pump -V153-
    • For the Pneumatic system
    • Refer to OVERVIEW - PNEUMATIC SYSTEM