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 MANUALSAUDI2012A8 QUATTRO SEDAN (4H2) V8-4.2L (CDRA)REPAIR AND DIAGNOSISDIAGRAMSELECTRICAL DIAGRAMSPOWERTRAIN MANAGEMENTDATA LINK CONNECTORDIAGRAM 7/2 (TRACKS 1-14)
2012 Audi A8 Quattro Sedan (4H2) V8-4.2L (CDRA)
Diagram 7/2 (Tracks 1-14)
2012 Audi A8 Quattro Sedan (4H2) V8-4.2L (CDRA)SECTION Diagram 7/2 (Tracks 1-14)
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
Vehicle electrical system control module
ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = lilac
ge = yellow
or = orange
rs = pink
J234 - Airbag control module Locations Control Modules in Front Part Of Vehicle
J519 - Vehicle electrical system control module Control Modules in Front Part Of Vehicle
J533 - Data bus on board diagnostic interface Control Modules in Right Luggage Comp.
ST1 - Fuse panel 1
SF1 - Fuse 1 (on fuse panel F)
ST2 - Fuse panel 2
SC12 - Fuse 12 (on fuse panel C)
T16 - 16-pin connector
T32b - 32-pin connector Vehicle Electrical System Control Module -J519-
T32f - 32-pin connector
T100 - 100-pin connector Locations
(375) - Ground connection 10 (in main wiring harness)
(376) - Ground connection 11 (in main wiring harness)
(639) - Ground connection on left A-pillar
(B279) - Positive connection 3 (15a) (in main wiring harness)
(B315) - Positive connection 1 (30a) (in main wiring harness)
* - Diagnostic connector
*2 - Refer to applicable wiring diagram for fuse positions
*3 - Data bus wire (CAN bus)
RENDER: 1.0x
NO RELATED
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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.