Volkswagen Workshop Service and Repair Manuals

Contact 4

=

Earth (terminal 31)

Contact 16

=

Positive (terminal 30)

Contact 7

=

K wire to contact 39 of multi-pin connector T47 of control unit -J104

Contact

Wiring connection to component ...

1

=>

Brake pressure solenoid -N247

2

=>

Coding bridge to contact 30

3

=>

Front right speed sensor -G45

4

=>

Front right speed sensor -G45

5

=>

Vehicles with navigation system only

6

=>

Rear right speed sensor -G44

7

=>

Rear right speed sensor -G44

8

=>

Coding bridge to contact 21

9

=>

Lateral acceleration sensor -G200- (earth wire)

10

=>

Brake pressure 2 sender -G214

11

=>

Yaw rate sender -G202- (earth wire)

Contact

Wiring connection to component ...

12

=>

Brake pressure 1 sender -G201

13

=>

Brake pressure solenoid trip switch -F84

14

=>

Vacant

15

=>

Earth point left in engine compartment

16

=>

Voltage supply from battery +

17

=>

Brake pressure solenoid -N247

18

=>

Vacant

19

=>

Data BUS wire => Current flow diagrams

20

=>

Data BUS wire => Current flow diagrams

21

=>

Coding bridge to contact 8

22

=>

Activation for ABS warning lamp -K47- and TCS/ESP -K155

23

=>

Brake light switch -F

24

=>

TCS/ESP button -E256

Contact

Wiring connection to component ...

25

=>

Lateral acceleration sensor -G200- (voltage wire)

26

=>

Brake pressure sender 2 -G214

27

=>

Yaw rate sender -G202- (voltage wire)

28

=>

Brake pressure sender 1 -G201

29

=>

Brake pressure solenoid trip switch -F84

30

=>

Coding bridge to contact 2

31

=>

Brake light deactivation relay -J508

32

=>

Brake pressure solenoid trip switch -F84

33

=>

Front left speed sensor -G47

34

=>

Front left speed sensor -G47

71

=>

Vehicles with navigation system only

36

=>

Rear left speed sensor -G46

Contact

Wiring connection to component ...

37

=>

Rear left speed sensor -G46

38

=>

Vacant

39

=>

Connector T16/7, K wire

40

=>

Lateral acceleration sensor -G200- (signal wire)

41

=>

Brake pressure sender 2 -G214

42

=>

Yaw rate sender -G202- (signal wire)

43

=>

Brake pressure sender 1 -G201

44

=>

Voltage supply from ignition/starter switch

45

=>

Vacant

46

=>

Earth point left in engine compartment

47

=>

Voltage supply from battery +

Component to be tested

Voltage supply for hydraulic pump -V64- to control unit -J104

- Perform test step 1

Voltage supply for valves in hydraulic unit -N55- to control unit -J104

- Perform test step 2

Voltage supply (terminal X) on control unit -J104

- Perform test step 3

Function of brake light switch -F

- Perform test step 4

Resistance of front right speed sensor -G45

- Perform test step 5

Resistance of front left speed sensor -G47

- Perform test step 6

Resistance of rear right speed sensor -G44

- Perform test step 7

Resistance of rear left speed sensor -G46

- Perform test step 8

Voltage signal of front right speed sensor -G45

- Perform test step 9

Voltage signal of front left speed sensor -G47

- Perform test step 10

Voltage signal of rear right speed sensor -G44

- Perform test step 11

Voltage signal of rear left voltage signal -G46

- Perform test step 12

Warning lamp function for ABS -K47

- Perform test step 13

Warning lamp function for brake system -K118

- Perform test step 14

Component to be tested

Warning lamp function for stability programme -K155

- Perform test step 15

Function of TCS/ESP button -E256

- Perform test step 16

Activation of steering angle sender -G85

- Perform test step 17

Activation of lateral acceleration sensor -G200

- Perform test step 18

Activation of yaw rate sender -G202

- Perform test step 19

Activation of brake pressure sender 1 -G201

- Perform test step 20

Activation of brake pressure sender 2 -G214

- Perform test step 21

Activation of brake pressure solenoid -N247

- Perform test step 22

Activation of brake pressure solenoid trip switch -F84

- Perform test step 23

Checking data BUS wire

- Perform test step 24

Voltage supply for V.A.G 1551, connector T16

- Perform test step 25

Resistance of K wire for self-diagnosis, connector T16

- Perform test step 26

Coding bridge

- Perform test step 27

Activation of brake light suppression relay -J508

- Perform test step 28