72661 - M01 FRONT ELECTRIC WINDOWS NOT WORKING

When the ignition is in the ON position, when the buttons located in the doors are operated the electric front windows do not work at all.
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Using the diagnostic equipment (Examiner or other instruments) connected, check the following information at the CAN network:

  • 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
2PRELIMINARY CHECKSALL OKPROBLEMS ENCOUNTEREDACTION
Check the condition of the fuses in the luggage compartment junction unit (Wiring Diagram ) E3050 FRONT ELECTRIC WINDOWS Move on to Step Fuse damagedReplace the fuse
3ELECTRICAL SYSTEM CHECK.ALL OKPROBLEMS ENCOUNTEREDACTION
Check:

  • the connection between the luggage comparement junction unit and the driver's door node.
  • the connection between the luggage compartment junction unit and the passenger door node.
Move on to Step Connections interruptedRestore the connections (Wiring Diagram ) E3050 FRONT ELECTRIC WINDOWS
4CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the diagnostic equipment (Examiner or Examiner plus) to the diagnostic socket:

  • that there are no errors in the Driver's Door Node control unit
  • that there are no errors in the Passenger Door Node control unit
Move on to Step Presence of errors in the Driver's Door Node and/or Passenger Door Node control unitContinue following the instructions in the diagnostic table
5SERVICES RELAY ELECTRICAL CIRCUIT CHECK (POWER CIRCUIT)ALL OKPROBLEMS ENCOUNTEREDACTION
Check the continuity of the connections between the services discharge relay and the driver's/passenger door node (Wiring Diagram ) E3050 FRONT ELECTRIC WINDOWS Move on to Step Connections interrupted.Restore the connections (Wiring Diagram ) E3050 FRONT ELECTRIC WINDOWS
6CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer present