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 MANUALSAUDI2007A3 BASE, AUTOMATIC DCTREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALCOMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORMISCELLANEOUS
2007 Audi A3 Base, Automatic DCT
Electrical Component Locator: Miscellaneous
2007 Audi A3 Base, Automatic DCTSECTION Miscellaneous
MISCELLANEOUS LOCATION
| Component | Location |
|---|---|
| Air Bag Spiral Spring/Return Spring W/Slip Ring | Behind steering wheel. See Figure. |
| Alarm Horn | In right front wheelwell. See Figure. |
| Amplifier (W/Bose) | Right side of luggage compartment. See Figure. |
| Antenna Amplifier | Top left side of cargo area lid. See Figure. |
| Battery Interrupt Igniter (5) | On main fuse panel "D". See Figure. |
| Data Bus On Board Diagnostic Interface | Behind center console storage compartment. See Figure. |
| Head Curtain Airbag Igniter (Driver's) | Left rear side of roof. See Figure. |
| Head Curtain Airbag Igniter (Front Passenger's) | Right rear side of roof. See Figure. |
| Ignition Coil 1 With Power Output Stage | Top of cylinder head, above cylinder no. 1. See Figure. |
| Ignition Coil 2 With Power Output Stage | Top of cylinder head, above cylinder no. 2. See Figure. |
| Ignition Coil 3 With Power Output Stage | Top of cylinder head, above cylinder no. 3. See Figure. |
| Ignition Coil 4 With Power Output Stage | Top of cylinder head, above cylinder no. 4. See Figure. |
| Inside Microphone (W/Bose) | Center front of roof. See Figure. |
| Rear Window Antenna 1 | Integral with rear window defogger. See Figure. |
| Safety Belt Tensioner Igniter 1 (Driver's) | Base of left "B" pillar. See Figure. |
| Safety Belt Tensioner Igniter 1 (Front Passenger's) | Base of right "B" pillar. See Figure. |
| Telephone/Navigation System (GPS)/Auxiliary Heater Antenna | Center rear of roof. See Figure. |
| Washer Nozzle Heater (Left) | In left side of plenum chamber. See Figure. |
| Washer Nozzle Heater (Right) | In right side of plenum chamber. See Figure. |
| Windshield Antenna Suppression Filter | In rear lid. See Figure. |
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.