2751113 - M03 ONE OF THE ELECTRIC FRONT WINDOWS IS NOT WORKING

With the ignition key in the ON position one of the electric front windows does not wor under any circumstance when the relevant button is operated.
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 front passenger window via the B-CAN.
Results of the tests
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Connect the diagnostic equipment (Examiner or other instruments) and check CAN network information for

  • 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
Driver's/passenger door node not activatedContinue to Step 2
2ELECTRICAL EQUIPMENT CHECK (NODE POWER SUPPLY)All OKProblems metOperation
Check the condition of the connection between the boot control unit and the door node concernedContinue to Step 3Connections brokenRestore the connections See   E3050  ELECTRIC FRONT WINDOWS
3CHECKING 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 Door Node involved
  • the operation of the electric window involved through active diagnosis
End of diagnosisPresence of errors in the Door Node control unit involvedContinue according to the instructions for the diagnostic equipment
Electric window is not activatedContinue to Step 4
4ELECTRICAL EQUIPMENT CHECK (ELECTRIC WINDOW MOTOR POWER SUPPLY)All OKProblems metOperation

check

  • The condition of the specific fuse in the dashboard control unit
  • the condition of the connection between the services discharge relay in the dashboard control unit and the door node involved
  • the condition of the connection between the door node involved and the electric window motor See   E3050  ELECTRIC FRONT WINDOWS
Continue to Step 5Fuse damagedReplace fuse
Connections brokenRestore the connections See   E3050  ELECTRIC FRONT WINDOWS
5CHECK ELECTRIC WINDOW DEVICEAll OKProblems metOperation
Check the mechanics and any impediments in the electric window device.Continue to Step 6Electric window device faultyReplace the electric window device Op. 7005M21
Impediments are foundRemove the obstacle and check correct operation
6Continue as instructed by the testerAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsReplace the door node Op. 7005M14