Operation CHARM: Car repair manuals for everyone.

Heated Glass Element: Testing and Inspection



Checking Function Of Heating For Rear Window

Check with the temperature probe

NOTE:
- The function of the heating for the rear window can be checked with a temperature probe with digital display.
- The indicator light in the rocker switch also lights up if a fault is present and the heating wires in the rear window do not warm up!






NOTE:
- The heating wire on the rear window must run exactly under the tip of the sensor for this measurement procedure!
- After switching on at room temperature and 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!