AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online

AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1045/w960_1045-0.png AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online

Page 81 of 166

AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online System in Basic Setting 35 1 2 3 4 
    
Indicated on display (1-4 = display fields)  
Pa
ge 81 of 166 Motronic Multi
port Fuel In
jection 
(MFI
) and i
gnition s
ystem
11/23/2002 htt
p://127.0.0.1:80

Page 82 of 166

AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online 24-64
      
-  Increase engine speed to 1800-2200 RPM.
     
-  Maintain engine speed at 1800-2200 RPM until 
display field 4 changes from "Test OFF" to "Test 
ON." 
     
-  Maintain engine speed at

Page 83 of 166

AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online Specified value   1800 - 2200 RPM   0.8 - 2.5 ms   0.20 - 2.10 s   B2-S1 OK  
  
---   ---   If not as specified   page 24
-65
 , Continuation  
Pa
ge 83 of 166 Motronic Multi
port Fuel In
jection 
(M

Page 84 of 166

AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online 24-65
      
Continuation  
      If displayed value is NOT OK (not as specified):  
     
-  Road test to condition oxygen sensor (eliminate 
possible contamination) and repeat test. 
      If displa

Page 85 of 166

AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online 24-66
      
Engine operating conditions (engine 
electronics), checking
 
     
Note:  
     This test checks whether the Motronic Engine 
Control Module (ECM) -J220- recognizes the 
engine operating

Page 86 of 166

AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online Read Measurin
g Value Block 
HELP
Input display group number XXX
    
Indicated on display  
-  Press buttons -0-, -0- and -5- to input display group number 5 (005), 
and press -Q- button to confirm i

Page 87 of 166

AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online 24-67
      
-  Check engine operating conditions (display field 
4): 
  
Display fields  
  
1   2   3   4  
Display group 5: Engine electronics-operating conditions  
Display   xxx RPM   xx.xx ms

Page 88 of 166

AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online            Throttle slightly open: "Part throt"  
           Throttle quickly closed: "Decel"  
           Quick acceleration over 3000 RPM: "Enrich"  1) Possible only while driving  
      If display

Page 89 of 166

AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online 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 90 of 166

AUDI A4 1999 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Manual Online 24-69
      
Test sequence  
     
-  Connect VAG1551 or VAG1552 scan tool and 
press buttons -0- and -1- to insert "Engine 
Electronics" address word 01 (with engine 
running at idle)   page 01
-8 .