Service of Audi A4 from 2001 to 2005 release.
	1. Operation and maintenance of the car
	2. Engine
	3. Transmission
	4. Running gear
	5. Steering mechanism
	6. Brake system
		6.1. Preliminary checks
		6.2. Repair of the brake system
		6.3. Repair of brakes of forward wheels
		6.4. ABS system
			6.4.1. Instructions on carrying out repair work with anti-blocking system
			6.4.2. Anti-blocking system (ABS) Bosch 5.7
			6.4.3. Removal and installation of the hydraulic control unit
			6.4.4. Replacement of the ABS control unit
			6.4.5. Removal and installation of the hydraulic block
			6.4.6. Removal and installation of components of the ABS system on a forward axis
			6.4.7. Removal and installation of the sensor of frequency of rotation on a back axis
			6.4.8. Removal and installation of a rotor on a back axis
			6.4.9. Removal and installation of a rotor on a back axis
			6.4.10. Removal and installation of the switch of stoplights
			6.4.11. Removal and installation of the sensor of cross accelerations and the sensor of rotation around a vertical axis
			6.4.12. Removal and installation of the sensor of pressure in the brake system
		6.5. Tables
	7. Onboard electric equipment
	8. Body
	9. Schemes of electric equipment

6-4-11-snyatie-i-ustanovka-datchika-poperechnykh-uskorenijj-i-datchika.html

6.4.11. Removal and installation of the sensor of cross accelerations and the sensor of rotation around a vertical axis

Removal

The ESP sensor is in the central console under an ashtray.

The socket of the ESP sensor is behind a big cable plait

Fig. 6.92. ESP sensor plug

Disconnect the plug of the ESP sensor (fig. 6.92).

Fig. 6.93. The cap-type nuts

Turn off the cap-type nuts 2 (2 pieces) (fig. 6.93).

Moment of an inhaling of nuts of 10 N · m.

Installation

Further assembly is carried out in the return sequence.

Establish continuation of the central console.

The sensor of cross acceleration is susceptible to strong vibrations.

If the sensor fell to a floor, then serviceability of its work is not provided any more. Further use of the sensor is not allowed.