M03 ONE OF THE ELECTRIC FRONT WINDOWS IS NOT WORKING - Lancia - MUSA - eLearn

184000561 - 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.

1	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
		Results of the tests
	With the diagnostic equipment (Examiner or other instruments) connected: check the following CAN information: for inactive control units; control unit errors; absence of control unit with error in CAN line	Continue to Step 5	Presence of faults	Continue according to the instructions for the diagnostic equipment
		Continue to Step 5	Driver's/passenger door node not activated	Continue to Step 2
2	ELECTRICAL EQUIPMENT CHECK (NODE POWER SUPPLY)	All OK	Problems met	Operation
	Check the condition of the connection between the junction unit under the dashboard and the door node involved	Continue to Step 3	Connections broken	Restore the connections See E3050 ELECTRIC FRONT WINDOWS
		Continue to Step 3	Fuse blown	Replace the fuse after having solved the cause of the problem
3	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect the diagnostic equipment (Examiner Plus or Smart) to the diagnostic socket and check: that there are no errors in the Door Node control unit involved the operation of the electric window involved through active diagnosis the variation in the state of the electric window control switch involved in the parameters ambient	Continue to Step 8	Presence of errors in the Door Node control unit involved	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
4	ELECTRICAL EQUIPMENT CHECK (ELECTRIC WINDOW SWITCH POWER SUPPLY)	All OK	Problems met	Operation
	Check the condition of the connection between the door node involved and the electric window switch See E3050 ELECTRIC FRONT WINDOWS	Continue to Step 5	Connections broken	Restore the connections See E3050 ELECTRIC FRONT WINDOWS
5	REPLACING THE ELECTRIC WINDOW SWITCH	All OK	Problems met	Operation
	Replace the electric window switch for the door involved, namely: For the left door, the switch unit on the door Op. 7005M14 For the right door, the switch on the door Op. 7005M12 Then check that the electric window is working properly	End of diagnosis	The electric window continues not to work	Continue to Step 8
6	ELECTRICAL EQUIPMENT CHECK (ELECTRIC WINDOW MOTOR POWER SUPPLY)	All OK	Problems met	Operation
	Check the condition of the connection between the door node involved and the electric window motor See E3050 ELECTRIC FRONT WINDOWS	Continue to Step 7	Connections broken	Restore the connections See E3050 ELECTRIC FRONT WINDOWS
7	REPLACING THE ELECTRIC WINDOW MOTOR	All OK	Problems met	Operation
	Replace the electric window motor for the door involved Op. 7005M21.Then check that the electric window is working properly	End of diagnosis	The electric window continues not to work	Continue to Step 8
8	CHECK ELECTRIC WINDOW DEVICE	All OK	Problems met	Operation
		Continue to Step 9	Electric window device faulty	Replace the electric window device Op. 7005M21
		Continue to Step 9	Impediments are found	Remove the obstacle and check correct operation
9	Continue as instructed by the tester	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Right electric window fault persists	Replace the driver's door node Op. 5505A42
	Check that the fault is no longer present	End of diagnosis	Left electric window fault persists	Replace the passenger door node Op. 5505A46

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.

1	ELECTRICAL EQUIPMENT CHECK (SWITCH POWER SUPPLY)	All OK	Problems met	Operation
		Results of the tests
	Check the condition of the connection between the junction unit under the dashboard and the switch for the door involved and make sure that the switch is receiving a power supply	Continue to Step 2	Connections broken	Restore the connections See E3050 ELECTRIC FRONT WINDOWS
		Continue to Step 2	Fuse blown	Replace the fuse after having solved the cause of the problem
2	ELECTRICAL EQUIPMENT CHECK (ELECTRIC WINDOW SWITCH OUTPUT)	All OK	Problems met	Operation
	With the ignition ON, operate the electric window switch and check that there is a voltage output from it See E3050 ELECTRIC FRONT WINDOWS	Continue to Step 3	The switch unit on the driver's door does not supply the circuit	Replace the switch unit Op. 7005M14
		Continue to Step 3	The switch on the passenger door does not supply the circuit	Replace the switch Op. 7005M12
3	ELECTRICAL EQUIPMENT CHECK (ELECTRIC WINDOW MOTOR POWER SUPPLY)	All OK	Problems met	Operation
	Check the condition of the connection between the switch on the door involved and the electric window motor See E3050 ELECTRIC FRONT WINDOWS	Continue to Step 7	Connections broken	Restore the connections See E3050 ELECTRIC FRONT WINDOWS
4	REPLACING THE ELECTRIC WINDOW MOTOR	All OK	Problems met	Operation
	Replace the electric window motor for the door involved Op. 7005M21.Then check that the electric window is working properly	End of diagnosis	The electric window continues not to work	Continue to Step 5
5	CHECK ELECTRIC WINDOW DEVICE	All OK	Problems met	Operation
		End of diagnosis	Electric window device faulty	Replace the electric window device Op. 7005M21
		End of diagnosis	Impediments are found	Remove the obstacle and check correct operation