AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide

AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide A6 1996 C5 / 2.G AUDI AUDI https://www.carmanualsonline.info/img/6/1057/w960_1057-0.png AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide
Trending: lock, stop start, display, wiring diagram, airbag, wiring, ignition

Page 11 of 44

AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide 24-174
      
-  Depress gas pedal completely (swiftly) and then 
release it (brief acceleration). 
     
 
Specified value in display field 4: Indication 
jumps for a few seconds from "Compr. ON" 
to

Page 12 of 44

AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide -  If there are no malfunctions in the wiring, check 
function of A/C system. 
     
       Repair Manual, Heating & Air Conditioning, Repair Group 01
   
Pa
ge 12 of 44 Additional si
gnals, testin
g

Page 13 of 44

AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide 24-175
      
A/C system signal, checking
 
      The A/C system signal notifies the Engine 
Control Module (ECM), that the A/C system 
requires a higher idle speed to achieve the 
desired interior te

Page 14 of 44

AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide 24-176
 If specified values are not obtained:  
Read Measuring Value Block 
Q
Input displa
y group number XXX
    
When indicated on display:  
-  Press buttons -0-, -5- and -6- to select "display gro

Page 15 of 44

AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide 24-177
      
-  Check the following wire connection for open 
circuit and short circuit to Ground (GND) and B+:
     
Test box  
VAG1598/31  
Socket  
A/C control  
head -E87-  
Terminal  
40    Elec

Page 16 of 44

AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide 24-178
      
Brake light switch and brake pedal 
switch, checking
 
     
Note:  
     For safety reasons, the instruction from the 
accelerator pedal sensor (potentiometer) to the 
ECM to open the t

Page 17 of 44

AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide 24-179
 
Read Measurin
g Value Block 
Q
Input display group number XXX
    
When indicated on display:  
-  Press buttons -0-, -6- and -6- to select "display group number 066" and 
press -Q- button to

Page 18 of 44

AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide Switch points slightly offset  
Pa
ge 18 of 44 Additional si
gnals, testin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.24.6

Page 19 of 44

AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide 24-180
       If indications do not resemble description:  
     
Check switch  
     
-  Remove driver-side storage compartment.
     
       Repair Manual, Body
-Interior, Repair Group 
68; Instrume

Page 20 of 44

AUDI A6 1996 C5 / 2.G ATQ Engine Additional Signals Testing User Guide - Depress accelerator pedal.
 
Specification:  (no continuity)
Pa
ge 20 of 44 Additional si
gnals, testin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B
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Trending: transmission, lock, airbag, stop start, wiring, display, wiring diagram