Passat Wagon L4-2.0L (ABA) (1995)
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Connect VAG 1598/18 test box to ECM wiring harness.
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Switch ignition on.
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Bridge sockets 1 and 9 with adapter cables from VW 1594 connector test kit.
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Check voltage with multimeter between test box sockets 1 and 23 using adapter cables from VW 1594 test kit.
Specification: Min. 9 volts
If the specifications are not attained:
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Replace power supply relay J363.
Checking battery positive voltage (B+) supply (terminal 30)
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Check voltage with multimeter between test box sockets 1 and 54 using adapter cables from VW 1594 test kit.
Specification: Min. 9 volts
If the specification is not attained:
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Check wiring according to wiring diagram.
Checking voltage supply terminal 15
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Check voltage with multimeter between test box sockets 1 and 38 using adapter cables from VW 1594 test kit.
Specification: Min. 9 volts
If the specification is not attained:
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Check wiring according to wiring diagram.