24-26
      
Installing  
      Installation is reverse of removal, noting the 
following:  
     
Note:  
     Important note: 
     After installing new Engine Control Module 
(ECM), the following work steps must be 
performed: 
     - Check DTC memory and erase it if necessary 
 Page 01
-16
 . 
     - Perform adaptation of the Throttle Valve Control 
Module -J338-   Page 24
-121
 . 
     - Observe notes for coding new Engine Control 
Module (ECM)   Page 01
-62
 . 
     - For vehicles with cruise control (discernable at 
steering column), switch this free in ECM: 
     
       Repair Manual, Electrical Equipment On 
Board Diagnostic (OBD), Repair Group 01; OBD for cruise control system
   
     - For vehicles with automatic transmission, the 
kick down function must be adapted   Page 24
-
Pa
ge 27 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 
         
        
        24-63
 Evaluation display group 002  Display field: 
3  
Possible cause  
Corrective action  
less than 1.0 
ms   
Smaller values are only possible when driving in 
deceleration mode   
larger than 4.0 
ms   Engine under load due to power accessories.- Reduce load (A/C system/power 
steering/generator) 
  
 Poor idle (does not run on all cylinders)- Check spark plugs.
- Check fuel injectors   Page 24
-38
 .
  
 
Throttle valve control module - J338- faulty- Check throttle valve control module   
Page 24
-120
 
Display field: 
4  
Possible cause  
Corrective action  
smaller than 
2.0 g/s   
large false air mass between intake manifold and Mass Air 
Flow (MAF) sensor 
 Voltage supply of Mass Air Flow (MAF) sensor or wire 
connections to Engine Control Module (ECM) - Check intake system for leaks (false 
air)  Page 24
-68
 . 
- Check voltage supply and wire 
connections  Page 24
-64
 
larger than 4.5 
g/s   
Engine under load due to power accessories.- Reduce load (A/C system/power 
steering/generator) 
  
 Voltage supply of Mass Air Flow (MAF) sensor or wire 
connections to Engine Control Module (ECM) - Check voltage supply and wire 
connections  Page 24
-64
 
Pa
ge 73 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