125000658 - N70 CONTROLS ON THE STEERING WHEEL NOT WORKING

When the buttons on the front panel of the Connect are pressed the corresponding functions take place, whilst when the buttons on the steering wheel are pressed they do not
Results of the tests
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the Examiner diagnostic equipment to the diagnostic connector and check that there are no errors in the ''reading parameters'' ambient at the Connect Node.Continue to Step 2Presence of faultsContinue following the instructions for the diagnostic equipment
2CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

With the Examiner in the ''Reading Parameters'' ambient for the Connect Node, check there are no faults and that when the following buttons are pressed and released:

  • Volume + button
  • Volume button
  • Right search button
  • Left search button
  • Input selection button
Continue to Step 4The button(s) in question does not work (there are no changes in state)Continue to Step 3
3ELECTRICAL CHECKAll OKProblems metOperation

Check, in order:

  • Continuity of the clock spring wiring
  • Operation of the buttons on the steering wheel See    See E3510 RADIO
Continue to Step 4Clock spring wiring faultyRestore the correct operation of the clock spring wiring.
Buttons the steering wheel faultyRepair/repalce steering wheel Op.    Op. 4110A11 STEERING WHEEL - R+R FOR REPLACEMENT OR CHECK FOR VERSIONS WITH AIR BAG
4CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsReplace the Connect module Op.    Op. 5580P12 CONNECT PANEL REPLACE