battery AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual A4 2000 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1045/w960_1045-0.png AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual

Page 10 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-10
      
WARNING! 
     
Be alert when working on or near the engine 
and ignition wires. High secondary ignition 
voltage can cause serious personal injury 
and damage vehicle components.

Page 12 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-11
      
CAUTION! 
     
BEFORE disconnecting the battery: 
     
Stop the engine.
     Be sure the ignition is switched OFF (also 
applies when connecting the battery). Failure 
to do so may dama

Page 18 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-14
      
Fuel injection system, servicing
 
      Servicing ignition system   page 28
-1   
     
Notes:  
     
Fuel hoses in the engine compartment must be 
secured with spring-type clamps. Scre

Page 52 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-40
       If there is voltage:  
    
If display = Htg.bC.ON:  
If display switches between "Htg.bC.ON" and "Htg.bC.OFF:"  -  Connect multimeter between harness connector terminal 2 (to ECM) 
and B

Page 73 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-58
       If there is voltage:  
    
If display = Htg.aC.ON:  
If display switches between "Htg.aC.ON" and "Htg.aC.OFF:"  -  Connect multimeter between harness connector terminal 2 (to ECM) 
and B

Page 96 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-74
      
-  Check wiring for short circuits between terminals 
of 3-pin connector, and between connector and 
ECM/test box. 
     
 
Connector terminal 1 to ECM/test box 
socket 12 
     
 Specifi

Page 100 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-77
      
-  Compare display with specified value for engine 
coolant temperature sensor (display field 3): 
  
Display fields  
  
1   2   3   4  
Display group 4: General engine data  
Display

Page 104 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-80
 
    
-  Check wiring for short circuit between ECM/test box and 4-pin harness 
connector according to wiring diagram. 
 
Connector terminal 1 to vehicle Ground
 Connector terminal 1 to ECM/tes

Page 108 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-84
      
-  Compare displayed value with specified value 
for intake air temperature (display field 4): 
  
Display fields  
  
1   2   3   4  
Display group 4: General engine data  
Display   xxx

Page 111 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-86
 
    
If wiring is OK:  -  Check wiring for short circuit between ECM/test box and 2-pin harness 
connector according to wiring diagram. 
 
Connector terminal 1 to vehicle Ground
 Connector ter
Page:   1-10 11-20 next >