2398887 - M11 ONE OF THE ELECTRIC FRONT WINDOWS NOT WORKING

With the ignition key in the ON position, when the button is pressed, one of the rear electric windows does not work at all.
each of the rear windows is controlled by the luggage compartment node; the driver's door node can also control the movement of the rear windows via the B-CAN.
Results of the tests
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
With the diagnostic equipment (Examiner or other instruments) connected

check the following on the CAN information network:

  • for inactive control units;
  • control unit errors;
  • absence of control unit with error in CAN line
Continue to Step 5Presence of faults Continue according to the instructions for the diagnostic equipment
Driver's door/luggage compartment node not activated Continue to Step 2
2ELECTRICAL EQUIPMENT CHECK (NODE POWER SUPPLY)All OKProblems metOperation
Check the condition of the connection between the junction unit under the dashboard and the driver's door/luggage compartment node Continue to Step 3Connections broken Restore the connections See   E3051  ELECTRIC REAR WINDOWS
Fuse blown Replace the fuse after having solved the cause of the problem
3CHECK 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/Luggage Compartment Node control unit
  • the operation of the electric window involved through active diagnosis
  • the variation in the state of the electric window control switch involved in the paramters ambient
Continue to Step 8There are errors in the control unit Continue according to the instructions for the diagnostic equipment
Electric window is not activated Continue to Step 6
The state of the switch does not change Continue to Step 4
4ELECTRICAL EQUIPMENT CHECK (ELECTRIC WINDOW SWITCH POWER SUPPLY)All OKProblems metOperation
Check the condition of the connection between the luggage compartment node and the electric window switch See   E3051  ELECTRIC REAR WINDOWS Continue to Step 5Connections broken Restore the connections See   E3051  ELECTRIC REAR WINDOWS
5REPLACING THE ELECTRIC WINDOW SWITCHAll OKProblems metOperation

Replace the electric window switch for the door involved, namely:

  • For the driver's door, the switch unit on the door Op.   7005M14 
For one of the rear doors, the switch on the door Op.   7010M10  Then check that the electric window is working properly 		End of diagnosisThe electric window still does not work Continue to Step 8
6ELECTRICAL EQUIPMENT CHECK (ELECTRIC WINDOW MOTOR POWER SUPPLY)All OKProblems metOperation
Check the condition of the connection between the luggage compartment node and the electric window motor See   E3051  ELECTRIC REAR WINDOWS Continue to Step 7Connections broken Restore the connections See   E3051  ELECTRIC REAR WINDOWS
7REPLACING THE ELECTRIC WINDOW MOTORAll OKProblems metOperation
Replace the electric window motor for the door concerned Op.   7010M21  . Then check that the electric window is working properly End of diagnosisThe electric window still does not work Continue to Step 8
8CHECK ELECTRIC WINDOW DEVICEAll OKProblems metOperation
Check the mechanics and any impediments in the electric window device. Continue to Step 9Electric window device faulty Replace the electric window device Op.   7010M21 
Impediments are found Remove the obstacle and check correct operation
9Continue as instructed by the testerAll OKProblems metOperation
Check that the fault is no longer present End of diagnosisThe electric window fault persists Replace the luggage compartment node Op.   5505A48 
The electric window fault only persists for the operation from the driver's door Replace the driver's door node Op.   5505A42