2751112 - M01 ELECTRIC FRONT WINDOWS / NOT WORKING

With the ignition key in the ON position, when the buttons on the doors are operated, the electric front windows do not work at all.
Results of the tests
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

With the diagnostic equipment (Examiner or other instruments) connected, check the CAN information:

  • for inactive control units;
  • control unit errors;
  • absence of control unit with error in CAN line
Continue to Step 4Presence of faultsContinue following the instructions for the diagnostic equipment
Presence of faultsContinue to Step 2
2PRELIMINARY CHECKSAll OKProblems metOperation
Check the condition of the fuses in the luggage compartment junction unit See   E3050  ELECTRIC FRONT WINDOWS Continue to Step 3Fuse damagedReplace fuse
3CHECK ELECTRICAL SYSTEMAll OKProblems metOperation

Check:

  • the condition of the connection between the luggage compartment junction unit and the driver's door node.
  • the condition of the connection between the luggage compartment junction unit and the passenger door node.
Continue to Step 4Connections brokenRestore the connections See   E3050  ELECTRIC FRONT WINDOWS
4CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Connect the diagnostic equipment (Examiner Plus or Smart) to the diagnostic socket and check:

  • that there are no errors in the Driver's Door Node unit
  • that there are no errors in the Passenger Door node control unit
Continue to Step 5Errors present in the Driver's Door Node and/or Passenger Door NodeContinue according to the instructions for the diagnostic equipment
5SERVICES RELAY ELECTRICAL CIRCUIT CHECK (POWER CIRCUIT)All OKProblems metOperation
Check the continuity of the connections between the services discharge relay and the driver's/passenger door node See   E3050  ELECTRIC FRONT WINDOWS Continue to Step 6Connections brokenRestore the connections See   E3050  ELECTRIC FRONT WINDOWS
6CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer present