Checking the Rheostat Function on the RTI Screen

Checking the rheostat function on the RTI screen

Fault-tracing information
Check whether the rheostat function is working in the audio unit by increasing and lowering the instrument lighting.

Hint: If the rheostat function is not working in the audio unit either, the fault is in the road traffic information (RTI) control module.

Is the audio unit rheostat function OK?

Yes - Replacing component

No - No Fault Found

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Replacing component
Try a new road traffic information (RTI) control module.

Caution! A new RTI control module is delivered without software. The RTI control module must be programmed in order to function after replacement.

Other information:
- To program and access/replace the RTI control module, Road traffic information module (RTI), replacing Road Traffic Information Module (RTI), Replacing.

Was a fault detected?

Yes - FAULT FOUND

No - No Fault Found

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