FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Description of Parameters






Description of parameters

Network activity
Status indicates if there is communication in the MOST network.

Ring break diagnostic
Indicates the status of the most recent Ring break diagnostic.
- OK = There are no faults in the MOST network.
- Poor = The infotainment control module (ICM) receives a signal on the MOST network but cannot decode it.
- Pos 0 - 8 = An open-circuit has been detected in the specified position in the network.

Hint: The number of possible positions varies depending on the number of control modules in the car.

MOST locked
The status indicates whether the MOST network is closed and communication possible.

Parameters, value

Read off the 30 supply
Measurement range 0-23.5 V.
Normal value 12 -14 V.
The value indicates the power supply to the infotainment control module (ICM).

Read off the 5 V supply voltage
Measurement range 0-10 V.
Normal value 4.5 -5.5 V.
The value indicates the internal power supply in the infotainment control module (ICM).

Number of control modules in the MOST network
The value indicates the number of control modules in the relevant MOST network. There may be 3 - 9 control modules.