Volkswagen Passat 1995 Official Factory Repair Manual page 1948

Multiport fuel injection and ignition system
Evaluating display group 002
Display group: 002
Display field: 3
If no display appears on VAG 1551
If value displayed fluctuates
between 12.0 - 14.5 V
0.0 - 12.0 V
14.5 - 16.5 V
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07.24.1
Possible malfunction
cause
Fuse 15 faulty
Wiring open circuit
Loose connection
Battery
discharged/faulty
Voltage regulator faulty
Generator faulty
Voltage regulator faulty
Malfunction elimination
- Replace fuse
- Check voltage supply terminal 15
Page 24-108
- Check voltage supply terminal 30
Page 24-108
- Check battery
- Check generator
- Check voltage regulator
- Check generator
- Check voltage regulator
Page 109 of 126
24-107
12/6/2004