Antenna: Testing and Inspection

Checking all antennas

Request for self-test.
The control module monitors its internal function.

Reading off diagnostic trouble codes (DTCs), multimedia module (MMM)
Click the VCT2000 symbol to read diagnostic trouble codes (DTCs).
The multimedia module (MMM) checks DC voltage on the signal cable from the antenna amplifier. The traffic message channel (TMC) is transmitted via the antenna amplifier to the TMC receiver in the Multimedia module (MMM).
The Multimedia module (MMM) checks the DC voltage on the signal cable from the GPS antenna.

Checking for the fault
If possible, check if the customer's symptom remains.

Checking the wiring
Check the cables for short-circuit to voltage, short-circuit to ground and open circuit. For further information, see the wiring diagram.

Other information
- Diagnostic trouble code (DTC) information MMM-B1A8911 Diagnostic Trouble Code (DTC) Information
- Diagnostic trouble code (DTC) information MMM-B1A8913 Diagnostic Trouble Code (DTC) Information
- Diagnostic trouble code (DTC) information MMM-B1A891B Diagnostic Trouble Code (DTC) Information
- Diagnostic trouble code (DTC) information MMM-B1D5514 Diagnostic Trouble Code (DTC) Information









Was a fault detected?

Yes - FAULT FOUND

No - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - ???

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