battery AUDI A6 1997 C5 / 2.G ATQ Engine Ignition System Checking Workshop Manual

AUDI A6 1997 C5 / 2.G ATQ Engine Ignition System Checking Workshop Manual A6 1997 C5 / 2.G AUDI AUDI https://www.carmanualsonline.info/img/6/1062/w960_1062-0.png AUDI A6 1997 C5 / 2.G ATQ Engine Ignition System Checking Workshop Manual

Page 1 of 65

AUDI A6 1997 C5 / 2.G ATQ Engine Ignition System Checking Workshop Manual 28-1
 
     
Ignition system, checking 
     
General notes on ignition system
 
     
The battery should only be disconnected and 
reconnected when the ignition is turned off, 
since otherwise the En

Page 3 of 65

AUDI A6 1997 C5 / 2.G ATQ Engine Ignition System Checking Workshop Manual      
The battery should only be disconnected and 
reconnected when the ignition is turned off, 
since otherwise the Engine Control Module 
(ECM) can be damaged. 
Pa
ge 3 of 65 I
gnition s
ystem, chec

Page 19 of 65

AUDI A6 1997 C5 / 2.G ATQ Engine Ignition System Checking Workshop Manual 28-16
 
  
Display fields  
  
1   2   3   4  
Display group 004: Intake Air Temperature (IAT), engine at idle  
Display   xxxx/min   xx.xxx volts  
xxx.x C  
xxx.x C  
Indicated  Engine speed 
(RPM)

Page 28 of 65

AUDI A6 1997 C5 / 2.G ATQ Engine Ignition System Checking Workshop Manual 28-25
 
  
Display fields  
  
1   2   3   4  
Display group 004: Coolant temperature, engine at idle  
Display   xxxx/min   xx.xxx V  
xxx.x C  
xxx.x C  
Indicated  Engine speed 
(RPM)  Battery volt

Page 34 of 65

AUDI A6 1997 C5 / 2.G ATQ Engine Ignition System Checking Workshop Manual 28-31
      
Test requirements:  
     
Fuse for Engine Control Module (ECM) OK 
     
       Electrical Wiring Diagrams, Troubleshooting & 
Component Locations binder   
     
Battery voltage at leas

Page 36 of 65

AUDI A6 1997 C5 / 2.G ATQ Engine Ignition System Checking Workshop Manual 28-32
      
-  Connect multimeter for voltage measurement as 
follows: 
     
VAG1598/31 test box  
Socket  
Measure to  
1   B+  
2   B+  
62   Engine Ground (GND)  
     
 
Specification: approx. b

Page 53 of 65

AUDI A6 1997 C5 / 2.G ATQ Engine Ignition System Checking Workshop Manual 28-48
      
Checking signal wire  
    
Checking Ground (GND) wire  
If all specified values are being reached and the LED does not blink 
(measured between terminal 1 and 2 with starter and connecto