AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst

AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst A4 1999 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1078/w960_1078-0.png AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst
Trending: relay, brake light, wiring, warning, sensor, fuel pump, battery

Page 21 of 81

AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst 24-20
      
Special tools and equipment  
    
Procedure  
VAG1598/31
-  Switch ignition off.
-  Remove Engine Control Module (ECM)   Page 24
-23
 .
    
-  Connect VAG1598/31 test box to connector o

Page 22 of 81

AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst 24-21
      
Note:  
     Important note: 
     After re-connecting the Engine Control Module 
(ECM), the following work steps must be 
performed: 
     - Perform adaptation of the Throttle Valve Cont

Page 23 of 81

AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst 24-22
      
Procedure following interruption of 
voltage supply
 
     
Note:  
     Important note: 
     After re-connecting voltage supply, the following 
work steps must be performed: 
     - Per

Page 24 of 81

AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst 24-23
      
Engine Control Module (ECM), replacing
 
     
Special tools and equipment  
    
or  
Removing  
VAS5051 with VAG5051/1VAG1551 with VAG1551/3A
-  Connect VAS5051 tester or VAG1551 scan t

Page 25 of 81

AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst 24-24
      
-  Switch ignition off.
    
-  Pull off rubber seal of plenum chamber cover in direction of arrow.
-  Remove cover -1- toward front.
    
-  Remove Heater Core E-box cover (arrows).
Pa
g

Page 26 of 81

AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst 24-25
 
    
-  Using a screwdriver, carefully pry off retaining bracket (arrow).
    
Note:  
Adaptation values are erased when connector is disconnected from the 
Engine Control Module (ECM), DTC me

Page 27 of 81

AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst 24-26
      
Installing  
      Installation is reverse of removal, noting the 
following:  
     
Note:  
     Important note: 
     After installing new Engine Control Module 
(ECM), the following w

Page 28 of 81

AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst 139
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11/21/2002 htt
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Page 29 of 81

AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst 24-27
      - Adapt immobilizer to Engine Control Module 
(ECM): 
     
       Repair Manual, Electrical Equipment On 
Board Diagnostic (OBD), Repair Group 01; OBD of immobilizer 
- variable code; ada

Page 30 of 81

AUDI A4 1999 B5 / 1.G ATW Engine Motronic Fuel Injection Syst 24-28
      
Idle speed (RPM), checking
 
     
Special tools and equipment  
    
or  
Test requirements: 
VAS5051 with VAG5051/1VAG1551 with VAG1551/3AExhaust system free of leaks. Coolant Temperatu
Trending: wiring, fuel pressure, brake light, relay, battery, fuel pump, warning