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

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Measured value (data) blocks<br />

Página 56 de 86<br />

01-237<br />

Measured value blocks, display groups 50...69 - Speed control,<br />

Evaluating<br />

Display group 50 - Speed control - Operating condition<br />

Engine running at idle<br />

Read measured value<br />

block 50<br />

xxxx<br />

rpm<br />

xxxx<br />

rpm<br />

Text Text<br />

Indicated on display<br />

1 2 3 4 Display zones Specification Evaluation<br />

Air conditioning<br />

compressor operating<br />

condition<br />

(Compr. ON / Compr.<br />

OFF)<br />

Air conditioning operating<br />

condition<br />

(A/C-High / A/C-Low)<br />

Compr. ON or<br />

Compr. OFF ---<br />

A/C-High or<br />

A/C-Low<br />

Engine speed (specified idle speed) 700 rpm ---<br />

Engine speed (actual idle speed) 640...720 rpm Page 01-<br />

188<br />

Notes on display zones 1 and 2:<br />

---<br />

The rpm in display zone 1 (measured rpm) is the actual engine speed.<br />

The rpm in display zone 2 (specified rpm) is theoretical engine speed calculated by<br />

the Motronic Engine Control Module (ECM) -J220-. at idle, the Motronic Engine<br />

Control Module (ECM) -J220- always tries to adapt the actual engine speed to the<br />

specified engine speed.<br />

Notes on display zones 3 and 4:<br />

A/C-High = Air conditioner demands high heating or cooling performance. A/C-Low = Air<br />

conditioner not turned on.<br />

"Compr. OFF" is always displayed on vehicles with no air conditioner.<br />

Check signals to and from air conditioning Page 24-194 .<br />

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

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

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