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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 27 de 59<br />

01-47<br />

V.A.G 1551<br />

print-out<br />

00290<br />

Left rear ABS<br />

wheel speed<br />

Sensor -G46-<br />

Signal outside<br />

tolerances 1)<br />

Possible cause<br />

Open circuit, short to positive or<br />

Ground, or loose contact in<br />

connections between left rear<br />

ABS wheel speed sensor -G46-<br />

and ABS Control Module (w/EDL)<br />

-J104-<br />

Electrical interference from other<br />

sources (high frequency radiation<br />

e.g. non-insulated ignition cable)<br />

Damaged rotor or left rear ABS<br />

wheel speed sensor -G46-<br />

Excessive air gap between left<br />

rear ABS wheel speed sensor -<br />

G46- and rotor (signal not OK.)<br />

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

- Check wiring and<br />

connections using wiring<br />

diagram<br />

- Perform electrical checks<br />

Page 01-102<br />

- Read measured value<br />

block Page 01-61<br />

Display group number 001<br />

- Check left rear ABS wheel<br />

speed sensor -G46- and<br />

rotor for damage<br />

- Replace rotor/speed<br />

sensor<br />

<strong>Repair</strong> Manual, Brake<br />

System, <strong>Repair</strong> Group 45;<br />

Removing and installing<br />

parts of ABS system on front<br />

and rear axles<br />

1) Type of DTC; this DTC is only recognized above 20 km/h (13 mph) (carry out test<br />

drive).<br />

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

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

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