Volkswagen Passat 1995 Official Factory Repair Manual page 1906

Multiport fuel injection and ignition system
Evaluating display group 016
Display group:
016
Display field: 3
0.00 ms
Smallest value:
5.30 ms
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07.24.1
Possible malfunction cause
Wiring open circuit in wire 3 or 4 between MAF
sensor and ECM
Wiring open circuit in wire 1 or 2 between MAF
sensor and ECM
Checking voltage supply
- Disconnect 4-pin connector from Mass Air Flow (MAF)
sensor.
- Connect multimeter with test leads from VW 1594 to
measure voltage at terminals 1 and 3.
Specification: 9.0-14.5 volts
If no voltage is present:
- Switch ignition off.
- Check wiring according to wiring diagram.
Page 67 of 126
Malfunction elimination
- Check voltage supply
Page 24-65
- Check wiring Page 24-66
24-65
12/6/2004