24-59
      
Checking voltage supply  
     
-  Disconnect EVAP canister purge regulator valve 
harness connector. 
    
If voltage tester does not light up:  -  Connect VAG 1527B voltage tester between connector terminal 1 and 
engine Ground (GND) using jumper wires from connector test kit VW 
1594. 
-  Use scan tool "Output Diagnostic Test Mode" function 03 to trigger fuel 
pump relay -J17-   page 01
-145
 . 
Voltage tester must light up 
-  Check fuse for EVAP canister purge regulator valve.
    
-  Check wiring for continuity between EVAP canister purge regulator 
valve connector terminal 1 and fuse, using wiring diagram. 
-  Check fuel pump relay and triggering   page 24
-24
 .
Pa
ge 2 of 3 EVAP canister 
purge re
gulator valve, checkin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU01.24.15