wiring AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual

AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual A6 1995 C5 / 2.G AUDI AUDI https://www.carmanualsonline.info/img/6/1048/w960_1048-0.png AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual

Page 1 of 36

AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual 24-128
 
     
Throttle valve control module, 
checking 
     
Notes:  
     
If the throttle valve control module -J338- is 
removed and installed, or replaced, adaptation 
of the throttle valve cont

Page 4 of 36

AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual 24-130
      
Throttle valve control module power 
supply, checking
 
    
If voltage is NOT OK:  -  Disconnect 8-pin harness connector from throttle valve control module 
-J338-. 
-  Connect multimet

Page 5 of 36

AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual 24-131
 
    
If wiring is OK:  -  Check wiring for short circuit between ECM/test box and 8-pin harness 
connector. 
 
Connector terminal 7 to ECM/test box socket 69
 Connector terminal 7 to ECM/test

Page 10 of 36

AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual 24-134
      
Continuation  
     
-  Switch ignition off.
     
-  Connect VAG1598/22 test box to ECM harness 
connector  page 01
-67
 . 
     
-  Connect multimeter US1119 (Fluke 83 or 
similar) and

Page 11 of 36

AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual 24-135
 
    
If wiring is OK:  -  Check wiring for short circuit between ECM/test box and 8-pin harness 
connector. 
 
Connector terminal 7 to ECM/test box socket 69
 Specified value:   
-  Reconnect

Page 18 of 36

AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual 24-141
      
Continuation  
     
-  Switch ignition off.
     
-  Connect VAG1598/22 test box to ECM harness 
connector  page 01
-67
 . 
     
-  Switch ignition on.
     
-  With throttle valve in

Page 20 of 36

AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual 24-142
 
    
If wiring is OK:  -  Check wiring of 8-pin connector for short circuit between wires, 
according to wiring diagram. 
 
Connector terminal 1 to ECM/test box socket 59
 Connector terminal

Page 26 of 36

AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual 24-146
 Evaluation of display group 3  Display 
group: 3  
  
  
Display field: 
3  
Possible malfunction cause  
Corrective action  
0.0   
 Open circuit or short circuit to B+ in signal wire between

Page 27 of 36

AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual 24-147
      
Checking wiring  
     
-  Connect VAG1598/22 test box to ECM harness 
connector  page 01
-67
 . 
     
-  Connect multimeter US1119 (Fluke 83 or 
equivalent), using adapter cables from

Page 29 of 36

AUDI A6 1995 C5 / 2.G AHA Engine Throttle Valve Control Module Checking Workshop Manual 24-148
      
Continuation (with measured voltage)  
    
If measured voltage was approx. 5 volts:  
If measured voltage was approx. battery positive voltage (B+):  -  Disconnect 8-pin harness connect
Page:   1-10 11-20 next >