Volkswagen Passat 1995 Official Factory Repair Manual page 1910

Multiport fuel injection and ignition system
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.FU07.24.1
- Connect multimeter using adapter cables from
VW 1594 to measure voltage at terminals 4 and
7 of connector.
Specification: 4.0-6.0 volts
- Switch ignition off.
If the specifications are not attained:
- Connect VAG 1598/18 test box to ECM wiring
harness (arrow).
- Check wiring between test box and 8-pin
connector for open circuit according to wiring
diagram.
Terminal 3 and test box socket 10
Terminal 4 and test box socket 41
Terminal 7 and test box socket 33
Resistance: max. 1.5 ohms
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12/6/2004