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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 31 de 59<br />

01-51<br />

V.A.G 1551<br />

print-out<br />

01276<br />

ABS<br />

hydraulic<br />

pump<br />

-V64-<br />

Signal<br />

outside<br />

tolerances 1)<br />

Possible cause<br />

ABS hydraulic<br />

pump -V64-<br />

connector to<br />

control module<br />

faulty<br />

Open circuit, short<br />

to positive or<br />

Ground in the<br />

wiring<br />

ABS hydraulic<br />

pump -V64- faulty<br />

ABS control<br />

module (w/EDL) -<br />

J104- faulty<br />

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

- Perform output Diagnostic Test Mode (DTM)<br />

Page 01-74<br />

- Check wiring and connections using wiring<br />

diagram<br />

- Perform electrical checks from Page<br />

01-102<br />

- If the ABS hydraulic pump -V64- runs free<br />

while electrical check test step 18 performed<br />

Page 01-102 , replace ABS control module<br />

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

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

J104-<br />

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

Group 45; Hydraulic unit, brake booster/brake<br />

master cylinder - Assembly overview;<br />

Removing and installing control module and<br />

hydraulic unit<br />

1)<br />

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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