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

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ABS ITT Mark 20 IE On Board Diagnostic (OBD)<br />

Página 2 de 8<br />

01-2<br />

Sporadic (isolated) malfunctions will also be<br />

recognized and stored. But if these malfunctions<br />

do not occur again within the next 50 vehicle<br />

starts and driving off sequences then, with the<br />

exception of "control module inoperative", the<br />

DTC memory will be erased.<br />

After switching on the ignition and/or starting the<br />

engine the ABS warning light -K47- and the<br />

warning light for brake system -K118- light up for<br />

approx. 2 seconds.<br />

During this period a test sequence (self-check) is<br />

run in the control module for the following<br />

functions:<br />

To check if the supply voltage is at least 10.0<br />

Volt<br />

To check control module including the valve<br />

windings<br />

To check the coding of the control module<br />

A static check of the speed sensor (no speed<br />

signal)<br />

If after driving off and exceeding a speed of<br />

approx. 20 km/h (approx. 13 mph) the speed<br />

signal is not OK. The ABS warning light -K47-<br />

will light up again.<br />

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

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

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