AUDI A4 1997 B5 / 1.G Rear Window Heating Electrical Testing Workshop Manual

AUDI A4 1997 B5 / 1.G Rear Window Heating Electrical Testing Workshop Manual A4 1997 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1112/w960_1112-0.png AUDI A4 1997 B5 / 1.G Rear Window Heating Electrical Testing Workshop Manual

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AUDI A4 1997 B5 / 1.G Rear Window Heating Electrical Testing Workshop Manual 01-153
 
     
Rear window heating, 
electrical testing 
     
Note:  
     Only perform this test on A/C control heads -E87- 
with only one display (switch for rear window 
heating is integrated in t

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AUDI A4 1997 B5 / 1.G Rear Window Heating Electrical Testing Workshop Manual      
-  Disconnect harness connector E from A/C 
control head -E87-. 
    
-  Connect multimeter between terminal 1 and 2 for voltage 
measurement. 
Pa
ge 2 of 5 Rear window heatin
g, electrical test

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AUDI A4 1997 B5 / 1.G Rear Window Heating Electrical Testing Workshop Manual 01-154
      
-  Turn ignition on.
     
   Specification: approx. battery voltage
     
-  Switch ignition off.
     
-  Connect harness connector E at A/C control 
head -E87-. 
    
Note:  
All harn

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AUDI A4 1997 B5 / 1.G Rear Window Heating Electrical Testing Workshop Manual 01-155
      
- Start engine. 
     
-  Switch rear window heating on via A/C control 
head -E87- (indicator lamp in button lights up). 
     
   Specified value: The display on VAG1715 will 
change f

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AUDI A4 1997 B5 / 1.G Rear Window Heating Electrical Testing Workshop Manual be turned off manually at any time). If the 
temperature while driving exceeds 0 C, the 
rear window heater is turned off after the 
operating time stored in -E87- (max. 10 
minutes) elapses. 
Pa
ge 5