battery AUDI A8 1995 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual

AUDI A8 1995 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual A8 1995 D2 / 1.G AUDI AUDI https://www.carmanualsonline.info/img/6/1064/w960_1064-0.png AUDI A8 1995 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual

Page 3 of 78

AUDI A8 1995 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-2
      
It is possible that the control module will 
recognize a malfunction and store a DTC during 
some tests. After completing all tests and 
repairs, DTC memory should therefore be 
checked an

Page 35 of 78

AUDI A8 1995 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-30
      
Fuel pressure regulator and residual 
pressure, checking
 
     
Note:  
     Fuel pressure regulator regulates fuel pressure 
according to intake manifold pressure. This 
ensures that th

Page 60 of 78

AUDI A8 1995 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-50
       Voltage is supplied to the Fuel Pump (FP) and 
several components of the injection system via 
the Fuel Pump (FP) relay -J17-.  
      Engine must be turning for Fuel Pump (FP) relay 
-J1

Page 62 of 78

AUDI A8 1995 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-52
       B - If relay triggers, but Fuel Pump (FP) does not 
run:  
     
-  Check voltage supply for Fuel Pump (FP) and 
components (via Fuel Pump -FP- relay)   Page 
24
-54
 . 
     
Check volta

Page 63 of 78

AUDI A8 1995 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-53
 
    
If relay triggers now, but didnt during output DTM:  
If relay does not trigger:   
Fuel Pump (FP) relay (at position 4 of central electrics in drivers 
footwell, left) must trigger. 
-

Page 65 of 78

AUDI A8 1995 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-55
      
-  Connect multimeter for voltage measurement to 
Ground (GND) and to one terminal of the 
following fuses in the fuse holder. 
     
Fuse  
Specified value at one of the 
terminals  
S22

Page 73 of 78

AUDI A8 1995 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-61
      
Voltage supply for Mass Air Flow (MAF) 
sensor, checking  
     
-  Disconnect connector from Mass Air Flow (MAF) 
sensor. 
    
Note:  
Voltage is supplied to Mass Air Flow (MAF) sensor

Page 74 of 78

AUDI A8 1995 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual 24-62
      
-  Repair open circuit or short circuit if 
necessary. 
    
Note:  
Ground (GND) from the ECM is present at terminal 2 of connector. 
If specified value is not obtained:  -  Connect mult