354758 - M03 ONE OF THE FRONT WINDOW MECHANISMS IS NOT WORKING

With the ignition in the ON position, when the button is operated, one of the front electric windows is not working at all.
each of the front windows is controlled by a specific door node; the driver's door node, in particular, can also control the movement of the passenger front window via the B-CAN.
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
With the tester (Examiner or other instrument) connected, check the CAN network information for:

  • no control unit not activated;
  • that there are no faulty control units;
  • no control unit with faulty CAN line;
Move on to Step 1. Presence of faults1. Continue following the instructions for the diagnostic equipment
2. Driver's/passenger door node not activatedMove on to Step
2ELECTRICAL SYSTEM CHECK (NODE SUPPLY)ALL OKPROBLEMS ENCOUNTEREDACTION
Check:

  • the connection between the luggage compartment junction unit and the door node concerned
Move on to Step Connections interruptedRestore the connections (Wiring Diagram ) E3050 FRONT ELECTRIC WINDOWS
3CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the diagnostic equipment (Examiner or Examiner plus) to the diagnostic socket:

  • that there are no errors in the Door Node control unit concerned
  • the operation of the electric window concerned through active diagnosis
1. Presence of errors in the Door Node control unit concerned1. Continue following the instructions in the diagnostic table
2. Electric window not activatedMove on to Step
4ELECTRICAL SYSTEM CHECK (ELECTRIC WINDOW MOTOR SUPPLY)ALL OKPROBLEMS ENCOUNTEREDACTION
Check:

  • The condition of the specific fuse in the dashboard junction unit
  • the condition of the connection between the services discharge relay in the dashboard junction unit and the door node concerned
  • the condition of the connection between the door node concerned and the electric window motor (Wiring Diagram ) E3050 FRONT ELECTRIC WINDOWS
Move on to Step 1. fuse damaged1. Replace the fuse
2. Connections interrupted2. Restore the connections (Wiring Diagram ) E3050 FRONT ELECTRIC WINDOWS
5ELECTRIC WINDOW CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the mechanical condition and impediments for the electric window.Move on to Step 1. Electric window device faulty1. Replace the window opening device    See in Op. 7005M21 Left or right front door electric WINDOW - R.R.
2. Impediments found2. Remove the obstacle and check correct operation
6CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentFault persistsReplace the door node    See in Op. 7005M14 ELECTRIC WINDOWS, REAR VIEW MIRRORS and CENTRAL LOCKING SWITCH unit on driver's front door - R.R.