wiring AUDI A4 1996 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide

AUDI A4 1996 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide A4 1996 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1005/w960_1005-0.png AUDI A4 1996 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide

Page 27 of 37

AUDI A4 1996 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide 24-102
 
Read measuring value block 4 1 2 3 4
    
Indicated on display; note display field 4  
Notes:  
Due to its short signal duration, shifting cannot always be observed on the 
VAG 1551 scan tool

Page 30 of 37

AUDI A4 1996 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide 24-105
      
Malfunction Indicator Lamp (MIL) wire 
from Transmission Control Module 
(TCM), checking
 
     
Notes:  
     
If a malfunction is recognized by the Engine 
Control Module (ECM) or the

Page 31 of 37

AUDI A4 1996 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide 24-106
      
-  Switch ignition ON.
     
-  Using VAG 1551 scan tool, select "Read 
Measuring Value Block" function 08, display 
group 027, display field 1   page 01
-249
 . 
Read measuring value bl

Page 33 of 37

AUDI A4 1996 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide 24-108
      
-  Switch ignition ON.
     
-  Using VAG 1551 scan tool, select "Read 
Measuring Value Block" function 08, display 
group 027, display field 2   page 01
-249
 . 
Read measuring value bl

Page 35 of 37

AUDI A4 1996 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide Control module coding OK   page 01
-247
 . 
     
Checking  
     
-  Switch ignition OFF.
     
-  Connect VAG 1598/19 test box to ECM harness 
connector  page 01
-255
 . 
     
-  Check signal wire

Page 36 of 37

AUDI A4 1996 B5 / 1.G AFC Engine Auxiliary Input Signals Checking User Guide 24-110
      
-  Find and eliminate open or short circuit; repair 
as necessary. 
      If wiring is OK:  
     
-  Replace ABS control module.
      If the ABS control module is OK, but the 
malfunct
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