fuse AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual

AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual A6 1998 C5 / 2.G AUDI AUDI https://www.carmanualsonline.info/img/6/1045/w960_1045-0.png AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual

Page 11 of 166

AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual output stage, and fuse for fuel pump. 
     Disconnect harness connectors from all fuel 
injectors. 
     Afterward, erase Diagnostic Trouble Code 
(DTC) memory. 
Pa
ge 11 of 166 Motronic Multi
port F

Page 22 of 166

AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-17
      
Test conditions  
     
Fuses for engine electronics OK 
     No malfunctions stored in DTC memory   
page 01
-16
 
     
Engine Coolant Temperature (ECT) at least 
80 C (176 F) 
     
Al

Page 45 of 166

AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual      
Fuse for Oxygen Sensor (O2S) heater(s) OK 
     Engine Coolant Temperature (ECT) at least 
80 C (176 F) 
Pa
ge 45 of 166 Motronic Multi
port Fuel In
jection 
(MFI
) and i
gnition s
ystem
11/23/2

Page 66 of 166

AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual      
Test requirements  
     
Fuse for Oxygen Sensor (O2S) heater OK 
     Engine Coolant Temperature (ECT) at least 
80 C (176 F) 
Pa
ge 66 of 166 Motronic Multi
port Fuel In
jection 
(MFI
) and i

Page 89 of 166

AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-68
      
Mass Air Flow (MAF) sensor, checking
 
     
Required special tools and test equipment  
     
VAG1551 or VAG1552 Scan Tool (ST) with 
VAG1551/3 adapter cable 
     VAG1598/22 test box

Page 118 of 166

AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-92
 Evaluation of display group 4  Display group: 4  
  
  
Display field: 2  
Possible malfunction 
cause  
Corrective action  
If "Control module does not answer" is 
displayed  
Fuse for ECM fau

Page 121 of 166

AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-95
      
Fuel pump relay and connections, 
checking
 
    
The fuel pump relay is located at relay position 6 on the relay panel on the 
left side under the instrument panel.  
Checking function o

Page 122 of 166

AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-96
       If the fuel pump does not respond:  
     
-  Check fuel pump relay actuation   page 24
-
99
 . 
      If the LED test light does not light up:  
     
-  Repeat test at other terminal of

Page 124 of 166

AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-97
       If the LED test light does not light up:  
     
-  Repeat test at other terminal of fuse 29.
    
If the LED test light still does not light up:  
-  Check wiring for open circuit betwee

Page 126 of 166

AUDI A6 1998 C5 / 2.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-98
       If the LED test light does not light up:  
     
-  Repeat test at other terminal of fuse 34.
    
If the LED test light still does not light up:  
-  Check wiring for open circuit betwee
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