Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSAUDI2012A4 SEDAN (8K2) L4-2.0L TURBO (CAEB)REPAIR AND DIAGNOSISDIAGRAMSELECTRICAL DIAGRAMSBODY CONTROL SYSTEMSCONVENIENCE SYSTEM, FROM SEPTEMBER 2007DIAGRAM 2/5 (TRACKS 43-56)
2012 Audi A4 Sedan (8K2) L4-2.0L Turbo (CAEB)
Diagram 2/5 (Tracks 43-56)
2012 Audi A4 Sedan (8K2) L4-2.0L Turbo (CAEB)SECTION Diagram 2/5 (Tracks 43-56)
IMPORTANT NOTE:
This manufacturer uses "Track" style wiring diagrams.
For information on how to use these diagrams effectively, please refer to Diagram Information and Instructions. Diagram Information and Instructions
Left rear exterior door handle touch sensor, Right rear exterior door handle touch sensor, Comfort system central control module
ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = lilac
ge = yellow
or = orange
rs = pink
G417 - Left rear exterior door handle touch sensor
G418 - Right rear exterior door handle touch sensor
J393 - Comfort system central control module Overview of Control Modules in Rear part of vehicle - Sedan (4-door models)
T2be - Double connector
T2bm - Double connector
T27b - 27-pin connector, Left B-pillar, bottom
T27d - 27-pin connector, Right B-pillar, bottom
T32e - 32-pin connector Control Modules in Right Luggage Compartment
(207) - Ground connection (in left rear door wiring harness)
(208) - Ground connection (in right rear door wiring harness)
(368) - Ground connection 3 (in main wiring harness)
(369) - Ground connection 4 (in main wiring harness)
(639) - Ground connection on left A-pillar Overview of Ground Connections (4-door Models (Sedan))
(730) - Ground connection 1 on right rear wheel housing Overview of Ground Connections (4-door Models (Sedan))
* - Depending on equipment
Previous Diagram 2/4 (Tracks 29-42)
Next Diagram 2/6 (Tracks 57-70)
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.