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

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Data Bus On Board Diagnostic Interface -J533- ('Gateway') m.y. 2000 through m.y.... Página 8 de 21<br />

01-143<br />

VAG 1551 print<br />

out<br />

01312<br />

Data Bus Drive<br />

malfunctioning<br />

Possible cause Possible effects Corrective action<br />

Malfunction in<br />

data wires<br />

CAN Bus in "busoff"<br />

condition<br />

Functions of<br />

systems<br />

connected to<br />

CAN-Bus not<br />

OK<br />

- Read measuring<br />

value block Page<br />

01-151<br />

- Check control<br />

module coding<br />

- Check DTC memory<br />

of all control modules<br />

connected to CAN Bus<br />

and repair<br />

malfunctions if<br />

necessary<br />

- Check for open or<br />

short circuit in CAN<br />

Bus wiring using<br />

wiring diagram.<br />

01314<br />

Engine Control<br />

Module (ECM)<br />

No<br />

communication<br />

Data reception<br />

from Engine<br />

Control Module<br />

(ECM) via CAN<br />

Bus is not OK.<br />

Functions of<br />

systems<br />

connected to<br />

CAN-Bus not<br />

OK<br />

- Read measuring<br />

value block Page<br />

01-151<br />

- Check DTC memory<br />

of Engine Control<br />

Module (ECM) and<br />

repair malfunction if<br />

necessary<br />

- Check for open or<br />

short circuit in CAN<br />

Bus wiring using<br />

wiring diagram.<br />

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

13/2/<strong>2005</strong>

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