Volkswagen Passat 1995 Official Factory Repair Manual page 1661

Electrical wiring and component checks
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW...
Fig. 3 Data Link Connector (DLC)
terminal numbering.
Fig. 4 Heated Oxygen sensor
(G39) harness connector
terminal numbering
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