Volkswagen Passat 1995 Official Factory Repair Manual page 1945

Multiport fuel injection and ignition system
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07.24.1
If voltage was 9-14.5 volts:
- Connect VAG 1598/18 test box to ECM wiring
harness (arrow).
- Check wiring between central electrical panel and
test box socket 65 for open circuit according to
wiring diagram.
Resistance: max. 1.5 ohms
- Connect multimeter using test leads from VW 1594
to measure voltage at test box sockets 56 and 65.
- Switch ignition on.
- Lift left front wheel and rotate by hand or push
vehicle.
The voltage must fluctuate between 0 and at
least 4 volts.
If no wiring malfunction is detected and voltage was
present between terminals 1 and 3:
- Replace speedometer Vehicle Speed Sensor
(VSS) -G22-.
- Read the readiness code
memory has been erased, verify repair via
appropriate display group
Readiness code, creating.
Page 106 of 126
24-104
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Page 01-31 . If DTC
Page 01-33 ,
12/6/2004