Heated Glass Element: Testing and Inspection

WM 648601 Checking function of heated rear window

Tools





Checking function of heated rear window

Check with the temperature probe

Information

- 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.





Measuring temperature of rear window

Information

- 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!