Overview - Seat Heating Element, Vehicles With Seat Occupant Detection System

Fig 1: Exploded View Of Front Seat Heating Element

Courtesy of AUDI OF AMERICA, LLC

1. Seat Extension Heating Element
   • Equipped on some models
   • Left Front Seat Extension Heating Element -Z168-, Right Front Seat Extension Heating Element -Z169-
   • Refer to SEAT DEPTH ADJUSTER HEATING ELEMENT, REMOVING AND INSTALLING 
2. Seat Depth Adjuster Cushion
   • Equipped on some models
   • Refer to COVER, SEPARATING FROM SEAT PAN CUSHION  .
   • When replacing, apply a new heating element. Refer to SEAT DEPTH ADJUSTER HEATING ELEMENT, REMOVING AND INSTALLING .
3. Right Seat Bolster Cushion
   • Equipment version: only for the sport seat
   • Only to be replaced with seat cushion. Refer to COVER, SEPARATING FROM SEAT PAN CUSHION  .
4. Right Seat Bolster Heating Element
   • Equipment version: only for the sport seat
   • Seat Bolster Heating for Left Front Seat -Z121-, Seat Bolster Heating for Right Front Seat -Z122-
   • Refer to SEAT BOLSTER HEATING ELEMENT, REMOVING AND INSTALLING 
5. Seat Heating Element
   • Right seat: Front Passenger Seat Heating Element with Seat Occupant Detection System Control Module -ZX14-. Refer to SEAT OCCUPANT DETECTION SYSTEM, REMOVING AND INSTALLING .
   • Left seat: Left Front Seat Heating Element -Z45-. Refer to LEFT/RIGHT FRONT SEAT HEATING ELEMENT Z45/Z46, REMOVING AND INSTALLING  .
6. Backrest Heating Element
   • Produced as a module
   • Left Front Seat Heated Backrest -Z116-, Right Front Seat Heated Backrest -Z117-
   • Refer to LEFT/RIGHT FRONT SEAT HEATED BACKREST Z116/Z117, REMOVING AND INSTALLING  .
7. Backrest Cushion
   • Apply a new heating element when replacing. Refer to LEFT/RIGHT FRONT SEAT HEATED BACKREST Z116/Z117, REMOVING AND INSTALLING  .
8. Left Seat Bolster Heating Element
   • Equipment version: only for the sport seat
   • Seat Bolster Heating for Left Front Seat -Z121-,
   • Seat Bolster Heating for Right Front Seat -Z122-
   • Refer to SEAT BOLSTER HEATING ELEMENT, REMOVING AND INSTALLING 
9. Left Seat Bolster Cushion
   • Equipment version: only for the sport seat
   • Only to be replaced with seat cushion. Refer to COVER, SEPARATING FROM SEAT PAN CUSHION  .
10. Seat Cushion
    • When replacing, pay attention to the information on the seat occupant detection system. Refer to COMPONENT LOCATION OVERVIEW - SEAT OCCUPANT DETECTION SYSTEM .