AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide

AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide A8 1995 D2 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1041/w960_1041-0.png AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide

Page 11 of 22

AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide 24-170
 
  
Display fields  
  
1   2   3   4  
Display group 5: General engine data  
Display   xxx RPM   xx.xx ms   xxx km/h   Idle  
Part throt  
Full throt  
Decel  
Enrich  
Indicates   Engine sp

Page 12 of 22

AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide      
-  Press buttons -0- and -6- to select "End Output" 
function 06, and press -Q- button to confirm 
input. 
     
-  Switch off ignition. 
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Page 13 of 22

AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide 24-171
      
Continuation  
      If no speed was indicated:  
    
Notes: 
If the LED does not blink:  
If the wiring is OK and the LED does not blink:  
 Repair Manual, Electrical Equipment, Repair

Page 14 of 22

AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide (DTC) memory has been erased, or ECM was disconnected, generate 
new readiness code   page 01
-73
 . 
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p://127.0.0.1:8080/audi/servlet/Dis
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Page 15 of 22

AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide 24-172
      
CAN-Bus, checking
 
      When a CAN-Bus malfunction is indicated during 
a check of DTC memory of the Engine Control 
Module (ECM), refer to the following test to 
eliminate the malfunc

Page 16 of 22

AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide 24-173
      
Checking  
     
-  Check DTC memory of Transmission Control 
Module (TCM). 
       Repair Manual, 5 Spd. Automatic 
Transmission 01V, Repair Group 01        If a DTC regarding the CAN-B

Page 17 of 22

AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide 24-174
      
Rough road signal from ABS/EDL 
control module, checking
 
     
Notes:  
     
When the ABS/EDL control module senses a 
wheel spinning, it produces the rough road 
signal. When the ECM

Page 18 of 22

AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide      
Required special tools and test equipment  
     
VAG1551 or VAG1552 Scan Tool (ST) with 
VAG1551/3 adapter cable 
     VAG1598/22 test box 
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Page 19 of 22

AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide 24-175
      
Test requirements  
     
ECM coding OK   page 01
-14
 
     
Test sequence  
     
-  Switch ignition off.
     
-  Connect VAG1598/22 test box to ECM harness 
connector  page 01
-67
 .

Page 20 of 22

AUDI A8 1995 D2 / 1.G AHA Engine Auxiliary Signals Checking User Guide (DTC) memory has been erased, or ECM was disconnected, generate 
new readiness code   page 01
-73
 . 
Pa
ge 20 of 22 Auxiliar
y si
gnals, checkin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
p
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