Faulty Signal
Faulty signal
Checking the diagnostic trouble code (DTC) status
- Activate the diagnostic menu. See Diagnostic functions Audio HU1205 (audio module) Diagnostic Functions Audio HU1205 (Audio Module)
- Check whether the fault is permanent or intermittent by reading and erasing diagnostic trouble codes (DTCs) according to " 3 RTI Diag". See Diagnostic functions Audio HU1205 (audio module) Diagnostic Functions Audio HU1205 (Audio Module).
Note! Make a note of all stored diagnostic trouble codes (DTCs) before erasing.
- Ignition off.
- Activate the diagnostic menu. See Diagnostic functions Audio HU1205 (audio module) Diagnostic Functions Audio HU1205 (Audio Module)
- Activate the self-diagnostic according to " 2.1 circuit check". See Diagnostic functions Audio HU1205 (audio module) Diagnostic Functions Audio HU1205 (Audio Module). Then read off the diagnostic trouble codes (DTCs) according to " 3 RTI Diag". See Diagnostic functions Audio HU1205 (audio module) Diagnostic Functions Audio HU1205 (Audio Module).
Note! If the diagnostic trouble code (DTC) is not stored, the fault has existed but is intermittent at present.
Has the diagnostic trouble code (DTC) been stored again?
Yes - Replacing the audio unit
No - FAULT FOUND
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Replacing the audio unit
Try a new audio unit.
Note! After the audio unit has been replaced and the battery voltage has been interrupted, it may take up to 15 minutes before the GPS signals are received correctly and the car's position can be calculated.
Continue - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
In case of this defect, troubleshooting is not followed by verification.
The information can be displayed again or the fault-tracing for this fault can be interrupted.
Do you want to view the information again?
Yes - Attempt New Test
No - FAULT FOUND
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Attempt New Test - Checking the diagnostic trouble code (DTC) status
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Information
Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).
Do you want to view the information again?
Yes - Attempt New Test
No - FAULT FOUND
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Attempt New Test - Checking the diagnostic trouble code (DTC) status
DONE - No Fault Found
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