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Bentley Volkswagen.Golf.Jetta.R32.Official.Factory.Repair.Manual.1999-2005

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Ignition system, servicing<br />

Página 33 de 51<br />

28-26<br />

Checking voltage supply<br />

- Measure supply voltage between<br />

terminals 1 and 3, and 2 and 3 of<br />

disconnected connector using<br />

multimeter and adapter cables<br />

from V.A.G 1594.<br />

- Switch on ignition.<br />

Specification: at least 11.5 V<br />

- Switch off ignition.<br />

If no voltage is present:<br />

- Check wire for open circuit<br />

between 4-pin connector terminal<br />

3 and Motronic Engine Control<br />

Module (ECM) Power Supply<br />

Relay -J271- referring to Electrical<br />

Wiring Diagrams.<br />

Wire resistance: max. 1.5<br />

- Check wiring for open circuit<br />

between 4-pin connector and<br />

Ground referring to Electrical<br />

Wiring Diagrams.<br />

terminal 1 and Ground<br />

terminal 2 and Ground<br />

Wire resistance: max. 1.5<br />

If there is no malfunction in the<br />

supply voltage:<br />

- Check activation Page 28-27 .<br />

http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Next&type=repair&id=...<br />

12/2/<strong>2005</strong>

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