ad6729s3000a

Rear window defroster diagnosis operational check

Type ad · topic 67.29 · version 0103 · 2003-06-12

Applies to: MODEL 638 up to 15.5.98 with CODE (W62) Tailgate with window

Where it sits

Function group 3 Body › 67 Windows › 67.29 Heated rear window - electrical system — Series 638

AD67.29-S-3000A

Rear window defroster diagnosis operational check

22.4.97

MODEL 638 up to 15.5.98 with CODE (W62) Tailgate with window

Rear window defroster diagnosis, previous knowledge

AD67.29-S-2000A

An interruption in the power supply to the heating element is not indicated by the indicator lamp in the button, which continues to burn after the defroster is switched on. It is therefore necessary to check the function of the heating element separately.

Function check

Scope of test

Action/prerequisite

Nominal value

Possible cOFFe/remedy

1
Rear window defroster


Start engine

Switch on rear window defroster by pressing button at top

Indicator lamp in button should come on.

&.3.1.(AD67.29-S-6000-02A

&(AD67.29-S-6000-04A)

Switch off rear window defroster by pressing button again at top

Indicator lamp in button should go out

&(AD67.29-S-6000-02A)

&(AD67.29-S-6000-04A

Switch on rear window defroster

Heating element in rear window should heat up

AD67.29-S-6000-06A

Referenced documents