volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Basic Setting, Initiating|Page 2461 > < Basic Setting, Initiating|Page 2459
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Connect VAG 1598/18 test box to ECM wiring harness (arrow).

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Switch ignition on.

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Connect multimeter using test leads from VW 1594 to measure voltage at test box sockets 1 and 23.
Specification: 12-14.5 volts

If the specification is not attained:

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Check wiring according to wiring diagram. 

Basic Setting, Initiating|Page 2461 > < Basic Setting, Initiating|Page 2459