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Home >> Audi >> 2025 >> Q4 e-tron Prestige >> Repair and Diagnosis >> Electrical >> Wiring Diagrams >> OEM Wiring Diagrams Steering Column Electronic Systems , (Ai8) >> OEM Wiring Diagrams Steering Column Electronic Systems, (Ai8) >> Airbag Control Module, Vehicle Electrical System Control Module, Steering Column Electronics Control Module, Data Bus On Board Diagnostic Interface, Engine/Motor Control Module, Fuse Panel C

Airbag Control Module, Vehicle Electrical System Control Module, Steering Column Electronics Control Module, Data Bus On Board Diagnostic Interface, Engine/Motor Control Module, Fuse Panel C

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Windshield Wiper Switch

E2 

Turn Signal Switch

E22 

Windshield Wiper Intermittent Mode Switch

E45 

Cruise Control Switch

J234 

Airbag Control Module

J519 

Vehicle Electrical System Control Module

J527 

Steering Column Electronics Control Module

J533 

Data Bus on Board Diagnostic Interface

J623 

Engine/Motor Control Module

SC 

Fuse Panel C

SC45 

Fuse 45 (On Fuse Panel C)

T16g 

16-Pin Connector, Black

T32e 

32-Pin Connector, Gray

T40a 

40-Pin Connector, Black

T73b 

73-Pin Connector, Black

T140a 

140-Pin Connector, Yellow

284 

Ground Connection 6 (in Interior Wiring Harness)

639 

Ground Connection on Left A-Pillar

826 

Ground Connection 19 (in Interior Wiring Harness)

Refer to Applicable Wiring Diagram for Multifunction Steering Wheel

*2 

Refer to Applicable Electric Drive System, Engine/Motor Control Module Wiring Diagram

*3 

Refer to Applicable Wiring Diagram for Fuses in Vehicle Interior

*4 

Refer to Applicable Airbag Wiring Diagram

*5 

Refer to Applicable Wiring Diagram for Data Bus Networking