2427487 - F46 ASR FUNCTION WILL NOT GO OFF

When the ASR function deactivation button is pressed, the LED does not light up and the function is not deactivated
Results of the tests
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Connect an Examiner to the tester input and check the brake node for the following in error modes:

  • that there are no faults

in parameters ambient:

  • taht the ASR button parameter changes status when the ASR button is pressed
Continue to Step 4There are errors in the control unitContinue according to the instructions for the diagnostic equipment
The parameter does not change stateContinue to Step 2
2SWITCH CHECKAll OKProblems metOperation
Check that the ASR switch is workingContinue to Step 3Faulty switchReplace ASR switch Op. 3350A10
3CHECK SWITCH CONNECTIONSAll OKProblems metOperation
Check the continuity of the ASR switch circuit See   E7020  ABS Continue to Step 4Lack of continuityRestore the connections See   E7020  ABS
4CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer present
The test is essential, as the braking system is a safety feature of the car
End of diagnosisFault persistsChange the brake system control unit