AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual https://www.carmanualsonline.info/img/6/1045/w960_1045-0.png AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual

Page 151 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-116
      
Evaporative Emissions (EVAP) canister 
purge regulator valve, checking
 
     
WARNING! 
     
Whenever carrying out work on the fuel 
supply and/or fuel injection systems, read 
and car

Page 152 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual Rapid data transfer 
HELP
Select function XX
    
Indicated on display  
Pa
ge 152 of 166 Motronic Multi
port Fuel In
jection 
(MFI
) and i
gnition s
ystem
11/23/2002 htt
p://127.0.0.1:8080/audi/servl

Page 153 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-117
      
-  Press buttons -0- and -8- to select "Read 
Measuring Value Block" function 08, and press -
Q- button to confirm input. Read Measurin
g Value Block 
HELP
Input displa
y group number XX

Page 154 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-118
 
  
Display fields  
  
1   2   3   4  
Display group 70: EVAP canister purge regulator valve  
Display   xxx %   xx.x %   xx.xx g/s   Test OFF/Test 
ON  
EVAP OK  
EVAP n.OK  
Indicated   EVA

Page 155 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual Select function XX
-  Press buttons -0- and -6- to select "End Output" function 06, and 
press -Q- button to confirm input. 
Pa
ge 155 of 166 Motronic Multi
port Fuel In
jection 
(MFI
) and i
gnition

Page 156 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-119
      
Checking for blockage and leaks  
      The EVAP canister purge regulator valve is 
closed when power is off.  
     
-  Remove EVAP canister purge regulator valve -
N80- (component loca

Page 157 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-120
      
EVAP canister purge regulator valve -N80- 
electrical test  
     
-  Disconnect harness connector from EVAP 
canister purge regulator valve. 
    
If resistance is NOT OK:  -  Connect m

Page 158 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-121
      
Checking EVAP canister purge regulator 
valve voltage supply  
     
Test conditions  
     
Fuse for EVAP canister purge regulator 
valve OK 
     
-  Disconnect harness connector from

Page 159 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-122
      
Checking signal to EVAP canister purge 
regulator valve  
    
If LED test light does not blink, or stays on:  
If LED test light does not blink:  -  Connect VAG1527B LED voltage tester

Page 160 of 166

AUDI A4 2000 B5 / 1.G AHA Engine Multiport Fuel Injection And Ignition System Workshop Manual 24-123
       If wiring is OK:  
     
-  Replace Motronic ECM -J220-   page 01
-68
 .
     
-  Carry out adaptation of throttle valve control 
module to ECM   page 24
-150
 . 
     
- Check readiness