1999 AUDI TT ATW Engine Motronic Fuel Injection Syst

Page 25 of 81

AUDI TT 1999 8N / 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 TT 1999 8N / 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 TT 1999 8N / 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 TT 1999 8N / 1.G ATW Engine Motronic Fuel Injection Syst 139
 . 
Pa
ge 28 of 81 Motronic fuel in
jection s
ystem, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.1

Page 29 of 81

AUDI TT 1999 8N / 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 TT 1999 8N / 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

Page 31 of 81

AUDI TT 1999 8N / 1.G ATW Engine Motronic Fuel Injection Syst 24-29
      
Note:  
     
Idle speed cannot be adjusted.
     Idle speed is checked during basic setting of 
the engine. 
     During basic setting, the Evaporative Emission 
(EVAP) canister purge re

Page 32 of 81

AUDI TT 1999 8N / 1.G ATW Engine Motronic Fuel Injection Syst button to confirm input. 
Pa
ge 32 of 81 Motronic fuel in
jection s
ystem, servicin
g
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.24.1