audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Air Sensor Potentiometer <--> [Air Flow Sensor Plate Position Sensor]|Description and Operation|Page 2610 > < Air Sensor Potentiometer <--> [Air Flow Sensor Plate Position Sensor]|Description and Operation|Page 2608
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replace potentiometer

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connect voltmeter between contact 1 and ground cable

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switch ON ignition
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specification: approximately 7.5 volts 

If NO

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check for open circuit, using current flow diagram

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connect voltmeter between contact 1 and contact 3
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specification: approximately 7.5 volts 

If NO

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check for open circuit, using current flow diagram

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switch OFF ignition

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connect ohmmeter between contact 2 of disconnected potentiometer connector and contact 17 of the control unit connector 
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specification: approximately 0.0 ohms 

If NO

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check for open circuit, using current flow diagram

Air Sensor Potentiometer <--> [Air Flow Sensor Plate Position Sensor]|Description and Operation|Page 2610 > < Air Sensor Potentiometer <--> [Air Flow Sensor Plate Position Sensor]|Description and Operation|Page 2608