184000470 - J21 HEATED REAR WINDSCREEN NOT WORKING

With the ignition on, when the appropriate button in the climate control system control panel is pressed, the heated rear window does not warm up properly.

		Results of the tests
0	PRELIMINARY CHECKS	All OK	Problems met	Operation
	Check that the door mirrors defrost properly	Continue to Step 1	The door mirrors do not defrost	See table J20
1	HEATED REAR WINDSCREEN ELECTRICAL CIRCUIT CHECK	All OK	Problems met	Operation
	Check that the heated rear window is connected to earth properly See E3030 HEATED REAR WINDSCREEN AND DOOR MIRROR DEFROSTING Check that the heated rear window is supplied properly: with the ignition ON and the defrosting button activated, the battery voltage should be at the supply cable	Continue to Step 2	No power supply from the battery	Restore the correct power supply to the relay. If necessary, replace the faulty components (if a fuse is involved, search for the causes of the problem first)
			Connections faulty	Restore the correct connections. See E3030 HEATED REAR WINDSCREEN AND DOOR MIRROR DEFROSTING
2	RESISTANCE CHECK	All OK	Problems met	Operation
	Check the continuity of the heated rear window demisting heating element	Continue to Step 3	Heating element broken	Replace the rearscreen Op. 7035B14
3	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Search for the fault starting from another symptom'