24-148
      
Continuation  
      If the displayed values are NOT OK:  
     
-  Connect VAG 1598/22 test box to ECM harness 
connector  Page 01
-56
 . 
     
-  Check wiring for open circuit, short circuit to B+ 
or short circuit to Ground between ECM/test box 
terminal 8 and A/C control head -E87-, or 
Transmission Control Module (TCM). 
     
       Electrical Wiring Diagrams, Troubleshooting & 
Component Locations         If the wiring is OK:  
     
-  Check function of A/C control head -E87-.
     
       Repair Manual, Heating & Air Conditioning, 
Repair Group 01
   
      Or:  
     
       Repair Manual, 5 Spd. Automatic 
Pa
ge 6 of 29 Additional si
gnals
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU02.24.5 
         
        
        24-156
       If the wiring is OK:  
     
-  Check multi-function Transmission Range (TR) 
program switch -F125-. 
     
       Repair Manual, 5 Spd. Automatic 
Transmission 01V, Repair Group 01
   
     
- Check readiness code   Page 01
-59
 . If 
Diagnostic Trouble Code (DTC) memory has 
been erased, or ECM was disconnected, 
generate new readiness code   Page 01
-62
 . 
Explanation of 4-digit display  
Explanation when display field is = 0  
x  
x  
x  
x  
(Display group 56)  
         0   A/C compressor off (0 = A/C compressor off / 1 = A/C compressor on)  
      0      Selector lever in P or N (0 = selector lever in P or N /1 = selector lever in 2/3/4/R/D)  
   0         Always "0"  
0            Always "0"  
Pa
ge 20 of 29 Additional si
gnals
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU02.24.5