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.
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HOMESERVICE MANUALSAUDI2012A4 SEDAN (8K2) L4-2.0L TURBO (CAEB)REPAIR AND DIAGNOSISDIAGRAMSELECTRICAL DIAGRAMSBODY CONTROL SYSTEMSCONVENIENCE SYSTEM, FROM SEPTEMBER 2007DIAGRAM 2/9 (TRACKS 99-112)
2012 Audi A4 Sedan (8K2) L4-2.0L Turbo (CAEB)
Diagram 2/9 (Tracks 99-112)
2012 Audi A4 Sedan (8K2) L4-2.0L Turbo (CAEB)SECTION Diagram 2/9 (Tracks 99-112)
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
Power window control head in driver door, Driver door control module, Driver window regulator motor
ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = lilac
ge = yellow
or = orange
rs = pink
E40 - Left front window regulator switch
E53 - Left rear window regulator switch in driver door
E55 - Right rear window regulator switch in driver door
E81 - Right front power window switch in driver door
E318 - Child safety lock button
E512 - Power window control head in driver door
J386 - Driver door control module Overview of Control Modules in Interior of Vehicle
L156 - Switch illumination bulb
T6am - 6-pin connector Driver's Door Control Module -J386-
T32j - 32-pin connector Driver's Door Control Module -J386-
V147 - Driver window regulator motor
(B398) - Comfort system CAN bus high connection 2 (in main wiring harness)
(B407) - Comfort system CAN bus low connection 2 (in main wiring harness)
* - Omitted as a running change
*2 - Running change
Previous Diagram 2/8 (Tracks 85-98)
Next Diagram 2/10 (Tracks 113-126)
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.