sensor AUDI A4 1997 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual

AUDI A4 1997 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual A4 1997 B5 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1005/w960_1005-0.png AUDI A4 1997 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual

Page 18 of 37

AUDI A4 1997 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-97
      
Vehicle speed signal, checking
 
     
Note:  
     The vehicle speed signal originates from the 
vehicle speed sensor (on the transmission) and 
is routed to the instrument cluster as we

Page 20 of 37

AUDI A4 1997 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual vehicle speed sensor, using wiring diagram. 
    
If wiring is OK, replace vehicle speed sensor.  
If voltage tester does not light up (become brighter) or flash, replace ECM 
 page 01
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Page 29 of 37

AUDI A4 1997 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-104
      
Throttle position sensor output signal, 
checking
 
     
Notes:  
     
The Transmission Control Module (TCM) 
interprets this information as a load signal. 
     This signal is monitor

Page 32 of 37

AUDI A4 1997 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-107
      
Fuel level signal (from instrument 
cluster), checking
 
     
Notes:  
     
If the fuel level in the tank is too low (less than 
3.2 gal); combustion misfire, oxygen sensor and 
fuel s