instrument cluster 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 13 of 37

AUDI A4 1995 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual tester:  
     
-  Check wiring between ECM terminal C10 and 
instrument cluster or A/C control module using 
wiring diagram. 
      If wiring is OK:  
     
- Replace ECM   page 01
-265
 .
Pa
ge 13 o

Page 14 of 37

AUDI A4 1995 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 24-95
      
Fuel consumption signal, checking
 
     
Notes:  
     
The consumption signal is internally calculated 
by the ECM using "injection time." 
     The consumption signal is routed to both

Page 15 of 37

AUDI A4 1995 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual Group 90; Instrument cluster, repairing
   
     
       Repair Manual, 5 Spd. Automatic 
Transmission 01V, Repair Group 01, On Board Diagnostic
   
     
-  Connect VAG 1598 test box to instrument 
c

Page 18 of 37

AUDI A4 1995 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 30 of 37

AUDI A4 1995 B5 / 1.G AFC Engine Auxiliary Input Signals Checking Workshop Manual 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 32 of 37

AUDI A4 1995 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

Page 33 of 37

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