ABS AUDI A4 1995 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual

AUDI A4 1995 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual A4 1995 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1005/w960_1005-0.png AUDI A4 1995 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual

Page 12 of 37

AUDI A4 1995 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-94
      
Engine speed (RPM) signal, checking 
 
     
Notes:  
     The RPM signal is routed from the ECM to 
various electronic systems (e.g. automatic 
transmission, ABS, etc.). The RPM signal i

Page 34 of 37

AUDI A4 1995 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-109
      
Rough road condition signal, checking
 
     
ABS control module with ABS/EDL  
     
Notes:  
     
Misfires can result in malfunctions such as 
"Combustion misfire" being recorded in D

Page 35 of 37

AUDI A4 1995 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 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 1995 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 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