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Running gear self-diagnosis for ESP, steering
Electrical check on electrohydraulic steering
Connectors and contact assignment of power steering control unit -J500
 
A01-0114

 
A01-0115

Connector 1

Four-pin

Contact

1

CAN Low signal

2

CAN High signal

3

Not used

4

+ voltage term. 15

Connector 2

Two-pin

Contact

1

+ voltage term. 30

2

Earth term. 31

Connector 3

Three-pin

Contact

1

+ voltage, power steering sensor -G250

2

- voltage, power steering sensor -G250

3

PWM signal, power steering sensor -G250

List of test steps

Component to be tested

Power supply, term. 30 of power steering control unit -J500

- Perform test step 1

Power supply, term. 15 of power steering control unit -J500

- Perform test step 2

Power supply for power steering sensor -G250

- Perform test step 3

Wiring

- Perform test step 4

Function of Servotronic warning lamp -K92

- Perform test step 5

CAN bus wires

- Perform test step 6

Electric motor in motor pump assembly

- Perform test step 7

Running gear self-diagnosis for ESP, steering > Self diagnosis, V.A.G Inspection Service > Electrical check on electrohydraulic steering > Connectors and contact assignment of power steering control unit -J500

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