LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Audi >> 2021 >> Q3 Premium Plus S-Line >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> 45 Antilock Brake System >> Component Location Overview >> Component Location Overview - Abs/Esp
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Location Overview - Abs/Esp

GWWA45-10385Courtesy of AUDI OF AMERICA, LLC
  1. Front Speed Sensor
    • Right Front ABS Wheel Speed Sensor -G45-
    • Left Front ABS Wheel Speed Sensor -G47-
  2. ABS Control Module -J104-
    • Component location: in the right rear engine compartment
    • With
      • Transverse Acceleration Sensor -G200-
      • Rotation Rate Sensor -G202-
      • Longitudinal Acceleration Sensor -G251-
      • Electromechanical Parking Brake Control Module -J540-
    • The components cannot be replaced separately
    • Refer to OVERVIEW - CONTROL MODULE AND HYDRAULIC UNIT 
  3. ABS Hydraulic Unit -N55-
  4. Vacuum Sensor -G608-
  5. Switch Module in Instrument Panel, Center -EX22-
  6. Parking Brake Button -EX12-
  7. Rear Speed Sensor
    • Right Rear ABS Wheel Speed Sensor -G44-
    • Left Rear ABS Wheel Speed Sensor -G46-
  8. Instrument Cluster with Instrument Cluster Control Module -J285-
  9. Brake Lamp Switch -F-
  10. Steering Gear
    • With Steering Angle Sensor -G85-
    • The steering angle sensor cannot be replaced separately