audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Knock Sensor Warning Lamp > < Instrument Panel Bulb|Locations|Page 7491
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Instrument Panel Voltage Regulator: Testing and Inspection

Voltage stabilizer, checking 

remove instrument cluster

Note:  For this test, battery and multipoint connectors must be re-connected

connect voltmeter between positive connection 1 and ground 2

switch ignition ON

‹› specs: battery voltage if not, check wiring according to current flow diagram

connect voltmeter between outgoing positive 3 and ground 2 

‹› spec's 9.75-10.25 volts if not, replace voltage stabilizer

Knock Sensor Warning Lamp > < Instrument Panel Bulb|Locations|Page 7491