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.
Front side
A - Cruise control connector
1 - Terminal 31
2 Fix
3 Distance
4 - Terminal 30
5 Activation/touch control function (Off)
6 Acceleration/deceleration
7 - Engaged (Off)
B - Turn signal indicator connector
1 - Terminal 31
2 Radio telephone (special-purpose vehicles)
3 Alarm (special-purpose vehicles)
5 Headlight flasher/light control
6 Turn signal indicators
C - Harness connector of multi-function steering wheel/Tiptronic/heated steering wheel
7 - Touch (-)
8 - Multi-function steering wheel (terminal 30)
9 - Multi-function steering wheel (LIN data bus)
10 - Sensor heating/touch (+)
11 Multi-function steering wheel/dimmer
12 - Tiptronic Ground
13 - Steering wheel heating (+)
14 - Steering wheel heating (-)
D - Steering Angle Sensor G85
1 Light barrier 5
2 Light barrier 3
3 Light barrier 1
4 - Terminal 30
5 - Voltage supply (5 V)
6 Light barrier 6
7 Light barrier 4
8 Light barrier 2
9 - Terminal 31
10 Light barrier 7
E - Horn H1
1 - Terminal 31
2 Horn
F - Wiper system
1 - Terminal 31
2 Intermittent wipe potentiometer
3 - Board computer
5 Wash
6 Wipe
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.