Audi Q5: Antilock Brake System
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ABS Repair Instructions
ABS malfunctions do not affect the brake system and the
booster. Conventional brake system stays operative even without
ABS. A change in braking behavior should be checked. W
Overview - Control Module and Hydraulic Unit
1 - ABS Hydraulic Unit -N55- with ABS Control Module -J104-
Installed location: in the front left engine compartment.
Refer to
→ Chap
Overview - Front Axle Speed Sensor
1 - Speed Sensor
Right Front ABS Wheel Speed Sensor -G45-/Left Front ABS Wheel Speed
Sensor -G47-
Refer to → Chapter "Right/Left Front ABS Whee
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Note
All test conditions marked * are vehicle-specific and are
described in the Repair Manual for the relevant vehicle.
Check cooling performance.
Connections with valve and service connections for
measurement and testing. Refer to
→ Heating, Ventilation and Air Conditioning;&n
Applies to vehicles: with Audi side assist
If side assist switches off by itself, the LED in the
button turns off and a message will appear in the
instrument cluster display:
Audi side assist unavailable: Sensors blocked
The radar sensors' vision is affected. Do not cover
the area in front of the se
General Information
