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

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

Página 32 de 59<br />

01-52<br />

V.A.G 1551<br />

print-out<br />

01312<br />

Drive train data<br />

bus faulty 1)<br />

or:<br />

Drive train data<br />

bus faulty 1)<br />

Sporadic<br />

Possible cause<br />

ABS control module (w/EDL)<br />

-J104- incorrectly coded<br />

Engine control module<br />

incorrectly coded<br />

Open circuit, short to positive<br />

or Ground in the wiring<br />

Ignition/starter switch turned<br />

too slowly<br />

<strong>Repair</strong><br />

- Check ABS control module<br />

(w/EDL) -J104- coding Page<br />

01-58<br />

- Check engine control module<br />

coding<br />

<strong>Repair</strong> group 01 for relevant<br />

engine code<br />

- Check wiring and connections<br />

using wiring diagram<br />

- Perform electrical checks<br />

Page 01-102<br />

- Erase DTC memory Page<br />

01-56<br />

- No further measures required<br />

- Inform customer<br />

1) The DTC "Drive train data bus" will not cause the ABS warning light -K47- or warning<br />

light for brake system -K118- to light up. The ABS function is retained over the complete<br />

range.<br />

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

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

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