wiring AUDI A8 2000 D2 / 1.G AEB Engine Technical Data Spark Plug
[x] Cancel search | Manufacturer: AUDI, Model Year: 2000, Model line: A8, Model: AUDI A8 2000 D2 / 1.GPages: 22, PDF Size: 0.09 MB
Page 2 of 22

28-2
      
Camshaft Position (CMP) sensor -G40-, 
checking
 
     
Required special tools and test equipment  
     
VAG 1598/22 test box 
     Multimeter US 1119 (Fluke 83 or equivalent) 
     VW 1594 connector test kit 
     Wiring diagrams 
     
Checking  
     
-  Disconnect 3-pin connector from Camshaft 
Position -G40- sensor. 
    
-  Connect multimeter US 1119 (Fluke 83 or equivalent) to measure 
voltage across CMP connector terminals 1 (B+) and 3 (Ground), using 
adapter cables from VW 1594 connector test kit. 
-  Switch ignition on.
-  Measure voltage between terminals 1 and 3. 
   Specified value: 4.5 volts minimum
-  Switch ignition off.
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Page 3 of 22

28-3
       If voltage is OK:  
     
-  Connect VAG 1598/22 test box to Motronic ECM 
harness connector   Page 01
-56
 . 
    
-  Check wiring for open circuit between ECM/test box and 3-pin harness 
connector, according to wiring diagram. 
 
Connector terminal 1 to ECM/test box socket 11
 Connector terminal 2 to ECM/test box socket 76
 Connector terminal 3 to ECM/test box socket 67
 Specified value: max. 1.5 
-  Check wiring for short circuit between ECM/test box and 3-pin harness 
connector, according to wiring diagram. 
 
Connector terminal 2 to ECM/test box socket 11
 Connector terminal 3 to ECM/test box socket 11
 Connector terminal 3 to ECM/test box socket 76
 Specified value:   
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Page 4 of 22

28-4
       If wiring is OK (and voltage across terminals 1 
and 3 is OK):  
     
-  Replace Camshaft Position (CMP) sensor.
      If wiring is OK (but still no voltage across 
terminals 1 and 3 :  
     
-  Replace Motronic ECM -J220-   Page 01
-57
 .
     
-  Carry out adaptation of throttle valve control 
module to ECM   Page 24
-119
 . 
     
- Check readiness code   Page 01
-59
 . If 
Diagnostic Trouble Code (DTC) memory has 
been erased, or ECM was disconnected, 
generate new readiness code   Page 01
-62
 . 
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Page 5 of 22

28-5
      
Knock sensor and knock sensor 
system, checking
 
     
Required special tools and test equipment  
     
VAG 1551/1552 Scan Tool (ST) with adapter 
cable VAG 1551/3 
     VAG 1598/22 test box 
     Multimeter US 1119 (Fluke 83 or equivalent) 
     VW 1594 connector test kit 
     Wiring diagrams 
     
Checking  
     
-  Connect VAG 1551/1552 Scan Tool (ST) and 
press buttons -0- and -1- to insert "Engine 
Electronics" address word 01 (engine running at 
idle)  Page 01
-7 . 
Rapid data transfer 
HELP
Select function XX
    
Indicated on display  
-  Press buttons -0- and -8- to select "Read Measuring Value Block" 
function 08, and press -Q- button to confirm input. 
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Page 11 of 22

28-8
      
Continuation  
     
-  Disconnect 3-pin connector from Knock Sensor 
(KS) 1 -G61-. 
    
If resistance is OK (no continuity):  -  Connect multimeter US 1119 (Fluke 83 or equivalent) to measure 
resistance between connector terminals, using adapter cables from VW 
1594 connector test kit. 
 
Connector terminal 1 to terminal 2
 Connector terminal 1 to terminal 3
 Connector terminal 2 to terminal 3
 Specified value:   
-  Connect VAG 1598/22 test box to Motronic ECM harness connector   
Page 01
-56
 . 
    
-  Check wiring for open circuit between ECM/test box and 3-pin harness 
connector, according to wiring diagram. 
 
Connector terminal 1 to ECM/test box socket 68
 Connector terminal 2 to ECM/test box socket 67
 Connector terminal 3 to ECM/test box socket 2
 Specified value: max. 1.5 
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Page 12 of 22

28-9
      
-  Check wiring for short circuits between terminals 
of 3-pin connector, and between connector and 
ECM/test box. 
     
 
Connector terminal 2 to ECM/test box 
socket 68 
     
 Connector terminal 3 to ECM/test box 
socket 68 
     
 Connector terminal 3 to ECM/test box 
socket 67 
     
 Specified value: 
      If the wiring is OK:  
     
-  Loosen knock sensor and re-tighten to 20 Nm 
(15 ft lb). 
      If the malfunction still exists (stored in DTC 
memory):  
     
-  Replace Knock Sensor (KS) 1 -G61-.
     
- 
Check readiness code   Page 01
-59
 . If 
Diagnostic Trouble Code (DTC) memory has 
been erased, or ECM was disconnected, 
Pa
ge 12 of 22 Technical data, s
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plugs
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Page 14 of 22

28-10
      
-  Disconnect 3-pin connector from Knock Sensor 
(KS) 2 -G66-. 
    
If resistance is OK (no continuity):  -  Connect multimeter US 1119 (Fluke 83 or equivalent) to measure 
resistance between connector terminals, using adapter cables from VW 
1594 connector test kit. 
 
Connector terminal 1 to terminal 2
 Connector terminal 1 to terminal 3
 Connector terminal 2 to terminal 3
 Specified value:   
-  Connect VAG 1598/22 test box to Motronic ECM harness connector   
Page 01
-56
 . 
    
-  Check wiring for open circuit between ECM/test box and 3-pin harness 
connector, according to wiring diagram. 
 
Connector terminal 1 to ECM/test box socket 60
 Connector terminal 2 to ECM/test box socket 67
 Connector terminal 3 to ECM/test box socket 2
 Specified value: max. 1.5 
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Page 15 of 22

28-11
      
-  Check wiring for short circuits between terminals 
of 3-pin connector, and between connector and 
ECM/test box. 
     
 
Connector terminal 2 to ECM/test box 
socket 60 
     
 Connector terminal 3 to ECM/test box 
socket 60 
     
 Connector terminal 3 to ECM/test box 
socket 67 
     
 Specified value: 
      If the wiring is OK:  
     
-  Loosen knock sensor and re-tighten to 20 Nm 
(15 ft lb). 
      If the malfunction still exists (stored in DTC 
memory):  
     
-  Replace Knock Sensor (KS) 2 -G66-. 
     
- 
Check readiness code   Page 01
-59
 . If 
Diagnostic Trouble Code (DTC) memory has 
been erased, or ECM was disconnected, 
Pa
ge 15 of 22 Technical data, s
park 
plugs
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU02.28.1