Volkswagen Passat 1995 Official Factory Repair Manual page 1287

Components of engine, checking
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW...
Voltage supply for Mass Air Flow
(MAF) sensor, checking
- Disconnect 4-pin connector -1- from
Mass Air Flow (MAF) Sensor -G70- (-
2-).
- Connect multimeter to terminals 1 +
3 of connector for voltage
measurement.
- Start engine, and let run at idle.
Specified value: 11.0 to 15.0 V
- Switch ignition off.
If there is no voltage:
- Locate and repair open circuit using
wiring diagram:
Electrical Wiring Diagrams,
Troubleshooting & Component
Locations
If voltage supply and wires are OK:
- Check signal and Ground (GND)
wires of Mass Air Flow (MAF) sensor
Page 24-35 .
Page 10 of 62
24-34
6/12/2004