3022681 - M30 NO AUDITORY SIGNAL WHEN OPERATING THE ELECTRIC WINDOW CONTROLS
With the ignition in the ON positino, when the front electric windows are operated, the acoustic signal is not heard|  | The acoustic signal confirming that the buttons have been pressed in the passenger compartment is not activated by the following controls: on the steering wheel, the radio console, ASR, CITY, hazard warning. | 
| Results of the tests | ||||
| 1 | CHECK INSTRUMENT PANEL | All OK | Problems met | Operation | 
|---|---|---|---|---|
| Connect the diagnostic equipment (Examiner or Examiner plus) to the diagnostic socket and check: 
 | Continue to Step 2 | Errors present in the control unit | Continue according to the instructions for the diagnostic equipment | |
| 2 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation | 
| Check that the fault is no longer present | Fault persists | Repolace Driver's Door Node control unit. Op. 7005M14 Search for the fault starting from another symptom' | ||