AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual

AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual A4 2000 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1107/w960_1107-0.png AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual

Page 1 of 47

AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual 01-115
 
     
A/C system, electrical testing 
     
Notes:  
     
Vehicles 1997     page 01
-135
 .
     
VAG1598 test box must not be connected to -
E87- when performing On Board Diagnostic 
with V

Page 2 of 47

AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual connecting the test leads to avoid damaging electronic components. 
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pair&id

Page 3 of 47

AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual 01-116
      
VAG1598 test box, connecting 
 
     
-  Switch off ignition.
     
-  Remove A/C control head -E87- and disconnect 
all connectors, -A-, -B-, -C- and -D-   page 87
-
120
 . 
    
Notes:

Page 4 of 47

AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual 01-117
 Connector terminal assignment of VAG1598 test box with VAG1598/11 adapter cable  
Notes:  
 
The terminal assignment of VAG1598/11adapter cable connectors A and B is not identical to the termi

Page 5 of 47

AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual 01-118
 
Connector A -E87-  
VAG1598 Socket  
E87 Connector B  
VAG1598 Socket  
E87 Connector C  
VAG1598 Socket  
1   41   1   21   1   1  
2   42   2   22   2   2  
3   43   3   23   3   3  
4   44

Page 6 of 47

AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual       20   40        
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play?action=Goto&t
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pair&id=AUDI.B5.HA01.01.2

Page 7 of 47

AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual 01-119
 Electrical testing, 1996
 
Note:  
Electrical testing, 1997     page 01
-135
 . 
Test 
number  Component(s) tested:  
Page  
1  
- A/C control head -E87- voltage supply, ground connection and

Page 8 of 47

AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual 01-120
 Test No. 1 (A/C control head -E87- voltage supply, ground connection and illumination)  VAG1598/12 adapter cable Measuring range: Voltage measurement (20 V)  
Test 
step  VAG1598 
socket  Test

Page 9 of 47

AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual 01-121
 
VAG1598/12 adapter cable Measuring range: Voltage measurement (20 V)  
Test 
step  VAG1598 
socket  Test of  
Test 
conditions  
- additional 
steps  Specified values  
Corrective action  
1.

Page 10 of 47

AUDI A4 2000 B5 / 1.G AC System Electrical Testing Workshop Manual 01-122
 Test No. 2 (temperature sensors G17, G56 and G89)  VAG1598/11 adapter cable Measuring range: Resistance measurement (20 kohm)  
Test 
step  VAG1598 
socket  Test of  
Test conditions  
- addit
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