Heated Glass Element: Testing and Inspection

648601 Checking Function Of Heated Rear Window






Check with the temperature probe

NOTE: The function of the heated rear window can be checked using a temperature probe with digital display.

Temperature probe Nr.164 Pos.1
The tip of the sensor is used to measure from the outside on the centre of the rear window.






NOTE:
- The heating wire on the rear window must run exactly under the tip of the sensor for this measurement procedure.
- After switching the heating on at room temperature and after a period of 2 minutes, the temperature must increase by approx. 2 degrees.
- If no temperature increase is shown, the fault must be detected on the basis of the wiring diagram.