audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Electronic Instrument Cluster - Repair & Troubleshooting|Page 3156 > < Electronic Instrument Cluster - Repair & Troubleshooting|Page 3154
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Trip Computer: Technical Service Bulletins
Headlight Sensor Check, Fuel Range and Mileage Adjustments, Headlight Warning Indicator

LIGHT SENSOR IN INSTRUMENT PANEL COVER

Light sensor, checking

LIGHT SENSOR

Work sequence
-

connect US 1119 between contact 8 and ground

-

switch ignition ON

-

measure voltage

^

5.0 V

If specified values are not obtained, - repair break in wiring according to wiring diagram OR
-

replace defective light sensor or instrument cluster

LIGHT SENSOR

-

connect US 1119 between contact 30 and ground

-

switch ignition ON

-

measure voltage

^

varies from 0.0 V to 5.0 V depending on illumination in work area

Electronic Instrument Cluster - Repair & Troubleshooting|Page 3156 > < Electronic Instrument Cluster - Repair & Troubleshooting|Page 3154