24-186
       If specified value is obtained:  
     
Checking voltage supply  
    
If LED does not light up:  
 Electrical Wiring Diagrams, Troubleshooting & Component Locations 
binder    -  Connect VAG1527B voltage tester as follows:Harness connector  
Terminal  
Measure to  
1   Chassis Ground (GND)  
-  Switch ignition on.
 
LED must light up. 
-  Check wire connection from terminal 1 of connector to fuse for open 
circuit and short circuit to Ground (GND): 
Pa
ge 29 of 44 Additional si
gnals, testin
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