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

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Components, checking<br />

Página 6 de 87<br />

24-43<br />

Checking voltage supply<br />

- Connect multimeter to measure<br />

voltage at terminals 3 and 4<br />

(connector to Motronic Engine<br />

Control Module (ECM) -J220-)<br />

using adapter cables from VAG<br />

1594.<br />

- Start engine and run at idle<br />

speed.<br />

- Measure voltage supply and<br />

observe display group 41, display<br />

zone 2.<br />

Display Htg.bC.ON: Specification:<br />

11.0 to 14.5 V<br />

Display Htg.bC.ON / Htg.bC.OFF<br />

(alternating): Specification:<br />

Between 0.0 to 12.0 V fluctuating<br />

- Switch off ignition.<br />

If no voltage is present:<br />

- Remove wiper arms and cowl<br />

panel:<br />

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

Equipment; <strong>Repair</strong> Group 92<br />

- Connect VAG 1598/31 test box to<br />

control module wiring harness.<br />

Engine Control Module (ECM) -<br />

J220- remains disconnected.<br />

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

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

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