Component Location Overview - Abs/Esp

Courtesy of AUDI

Front Speed Sensor
- Left Front ABS Wheel Speed Sensor -G47-
- Right Front ABS Wheel Speed Sensor -G45-
- Refer to OVERVIEW - FRONT AXLE SPEED SENSOR
Hydraulic Control Unit
- With
  - ABS Control Module -J104-
  - ABS Hydraulic Unit -N55-
- The control module and the hydraulic unit can be separated
- Refer to OVERVIEW - CONTROL MODULE AND HYDRAULIC UNIT
Brake Pedal Position Sensor -G100-
- For vehicles with high-voltage system
- Component location: integrated in the electric Brake Booster -NX6-
- Refer to OVERVIEW - BRAKE BOOSTER/MASTER BRAKE CYLINDER, VEHICLE WITH HIGH-VOLTAGE SYSTEM
Vacuum Sensor -G608-
- For vehicles without high-voltage system
- Refer to OVERVIEW - VACUUM PUMP, 3.0L TDI ENGINE (NOT FOR NORTH AMERICA MARKET)
Switch Module in Instrument Panel, Center -EX22-
- With
  - ASR/ESP Button -E256-
  - Hill Descent Control Button -E618- (equipped on some models)
- Removing and Installing. Refer to COMPONENT LOCATION OVERVIEW - CONTROLS IN CENTER CONSOLE .
Electromechanical Parking Brake Button -E538-
- Electromechanical Parking Brake Button -E538-
- -Auto Hold- Button -E540- (equipped on some models)
- Removing and installing. Refer to ELECTROMECHANICAL PARKING BRAKE BUTTON -E538- /-AUTO HOLD- BUTTON -E540-, REMOVING AND INSTALLING .
Roof Rack Recognition Sensor -G625-
- Component location: in the roof railing
Brake Pad Wear Sensor
- Left Front Brake Pad Wear Sensor -G34-
- Right Front Brake Pad Wear Sensor -G35-
- Left Rear Brake Pad Wear Sensor -G36-
- Right Rear Brake Pad Wear Sensor -G37-
- In the respective inner brake pad
- Refer to OVERVIEW - FRONT BRAKES
Rear Speed Sensor
- Right Rear ABS Wheel Speed Sensor -G44-
- Left Rear ABS Wheel Speed Sensor -G46-
- Refer to OVERVIEW - REAR AXLE SPEED SENSOR
Instrument Cluster with Instrument Cluster Control Module -J285-
- With the following integrated indicator lamps:
  - ABS Indicator Lamp -K47-
  - Brake System Indicator Lamp -K118-
  - Parking Brake Indicator Lamp -K139-
- The indicator lamps cannot be replaced separately
- Replace the instrument cluster if faulty. Refer to OVERVIEW - INSTRUMENT CLUSTER .
Brake Lamp Switch -F-
- For vehicles without high-voltage system
- Component location: on the brake master cylinder
- Refer to OVERVIEW - BRAKE BOOSTER/BRAKE MASTER CYLINDER