audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Board Computer - Repair Procedures|Page 5889 > < Board Computer - Repair Procedures|Page 5887
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Trip Computer: All Technical Service Bulletins
Ke-Jetronic Enrichment Factor, Checking

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KE-Jetronic OK

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Air flow sensor potentiometer OK

^

Engine oil temperature min. 80~C (176~F)

Note

To calculate fuel consumption, the computer requires input signals from the air flow sensor potentiometer and the KE-Jetronic differential pressure
regulator

Computer Connector

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remove instrument cluster

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remove computer connector from instrument cluster

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connect US 1119 between terminal 10 of computer connector and engine ground

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set tester to DC volt range

Note

Do the following measurement with the engine running

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remove oxygen sensor connector

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start engine

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record voltage reading displayed on US 1119

If there is no voltage reading, - repair break in wiring using current flow diagram
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switch engine OFF

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remove US 1119

Differential Pressure Regulator

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remove connector from differential pressure regulator (arrow)

Board Computer - Repair Procedures|Page 5889 > < Board Computer - Repair Procedures|Page 5887