Steering-angle sensor CAN

Possible cause(s) of fault:

• CAN BUS defective
  
• The steering-angle sensor is not supplied via terminal 15 or 87
  
• The steering-angle sensor is not supplied via terminal 30
  
• Steering-angle sensor defective (the steering-angle sensor must not be replaced without diagnosis beforehand)
  

Storage condition(s):

• The DSC control unit is not receiving any CAN messages from the steering-angle sensor or the messages are faulty
  

Troubleshooting procedure:

• Read out the fault code memory of the steering-angle sensor
  
• Check CAN BUS
  
• Check the power supply (terminal 30 and terminal 15 or 87) of the steering-angle sensor In the test module B3714_00001 under (steering-angle sensor/supply) there is an interruption counter for terminal 30.
  

Note:

• Wire tests and checks for loose contacts are possible via ”Pre-set measurements”.
  
• If the steering-angle sensor is not supplied via terminals 15 or 87, no diagnosis is possible.