check engine AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking

AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking A8 1995 D2 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1003/w960_1003-0.png AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking

Page 2 of 38

AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking 24-100
      
Function
 
      Idle speed stabilization is integrated in the 
throttle valve control module -J338-. In the 
housing opposite the throttle valve are Throttle 
Position (TP) sensor -G69-

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AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking 24-102
      
-  Check wiring for short circuit between ECM/test 
box and 8-pin harness connector. 
     
 
Connector terminal 7 to ECM/test box 
socket 69 
     
 Connector terminal 7 to ECM/test box

Page 7 of 38

AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking 24-103
      
Closed Throttle Position (CTP) switch, 
checking
 
     
Note:  
     The Closed Throttle Position (CTP) switch -F60- 
is inside the throttle valve control module -J338-. 
     
Test con

Page 9 of 38

AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking 24-104
      
-  Press buttons -0-, -0- and -5- to input display 
group number 5, and press -Q- button to confirm 
input. Read Measuring Value Block 5 1 2 3 4 
    
Indicated on display (1-4 = display

Page 14 of 38

AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking 24-107
      
Throttle drive and angle sensor for 
throttle drive, checking
 
     
Note:  
     Throttle drive -G186- and angle sensor -1- for 
throttle drive -G187- are located in the throttle 
valv

Page 15 of 38

AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking 24-108
      
Checking  
     
-  Connect VAG 1551 or VAG 1552 scan tool and 
press buttons -0- and -1- to insert "Engine 
Electronics" address word 01 (with engine 
running at idle)   Page 01
-7 . 
R

Page 16 of 38

AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking 24-109
      
-  Compare display with specified values for idle 
air control (display fields 1-4): 
  
Display fields  
  
1   2   3   4  
Display group 55: Idle control  
Display   xxx RPM   x.xx g/s

Page 17 of 38

AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking 24-110
 Evaluating display group 55  Display group: 
55  
  
  
Display fields: 
2  3  
Possible cause  
Corrective action  
above 1.11 
g/s   
Increased load because of 
switched-on consumers 
 Throt

Page 23 of 38

AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking 24-113
      
Throttle Position (TP) sensor, checking
 
     
Note:  
     Throttle Position (TP) sensor -G69- is located 
inside the throttle valve control module -J338-. 
     
Test conditions

Page 25 of 38

AUDI A8 1995 D2 / 1.G AEB Engine Throttle Valve Control Module And Checking 24-114
      
-  Press buttons -0-, -0- and -3- to input display 
group number 3, and press -Q- button to confirm 
input. Read Measuring Value Block 3 1 2 3 4 
    
Indicated on display (1-4 = display
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