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Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Quick Lookups >> Wiring Diagrams >> OEM Wiring Diagrams Seat Heating , (4A3),(4A4) >> OEM Wiring Diagrams Seat Heating, (4A3),(4A4) >> Rear A/C Display Control Head, Left Rear Seat Heating Button, Right Rear Seat Heating Button, Data Bus On Board Diagnostic Interface

Rear A/C Display Control Head, Left Rear Seat Heating Button, Right Rear Seat Heating Button, Data Bus On Board Diagnostic Interface

GWW8W5-047070424Courtesy of AUDI OF AMERICA, LLC

E265 

Rear A/C Display Control Head

E737 

Left Rear Seat Heating Button

E738 

Right Rear Seat Heating Button

J533 

Data Bus on Board Diagnostic Interface

T3z 

3-Pin Connector, Black

T8n 

8-Pin Connector, Black

T17f 

17-Pin Connector, Red

T17fx 

17-Pin Connector, Red

T54 

54-Pin Connector, Black

TALU 

Coupling Point on Left A-Pillar, Bottom

B397 

Comfort System CAN Bus, High Connection 1 (in Main Wiring Harness)

B399 

Comfort System CAN Bus, High Connection 3 (in Main Wiring Harness)

B406 

Comfort System CAN Bus, Low Connection 1 (in Main Wiring Harness)

B408 

Comfort System CAN Bus, Low Connection 3 (in Main Wiring Harness)

B646 

Heated Seat Connection 3 (in Main Wiring Harness)

B699 

LIN Bus Connection 4 (in Main Wiring Harness)

Depending on Equipment

*2 

1.5 Diameter Possible

*3 

4.0 Diameter Possible