audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Board Computer - Repair and Troubleshooting Guide|Page 6808 > < Board Computer - Repair and Troubleshooting Guide|Page 6806
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Trip Computer: All Technical Service Bulletins
Computer Functional Testing

Computer, Functional Testing

Computer, functional testing

Test preparation
^

Fuse S12 OK

^

Fuse S4 OK

Note

It is possible to check the condition of the computer components by selecting the individual functions in the specified sequence.

If defective components are found, check the wiring to these components using the current flow diagram.

Always perform complete test procedure for functional testing.

Time display, checking

-

switch ignition ON

-

push time display button

^

display - time of day

If time of day is not displayed, - check function switch
-

repeat test

If time is not displayed, - check 10-point connector
-

repeat test

If time is not displayed, - check computer
-

repeat test

If time is not displayed, - check computer control unit

If necessary, - replace computer control unit

Board Computer - Repair and Troubleshooting Guide|Page 6808 > < Board Computer - Repair and Troubleshooting Guide|Page 6806