Output Diagnostic Test Mode (Function 03)

NOTE:
- Output Diagnostic Test Mode is only possible when vehicle is stationary and engine is not running!
- The navigation system must be switched on.
- If a malfunction is detected during output Diagnostic Test Mode (DTM), possibly find and repair malfunction cause.
- Output Diagnostic Test Mode (DTM) can only be performed once. Switch ignition off and on again to perform Output Diagnostic Test Mode (DTM) again.


In the function "output diagnostic test mode," the secondary display in the instrument cluster is checked.

Initiating output DTM

- Press 0 and 3 buttons to select "output Diagnostic Test Mode" function 03.

Indicated on display:


Rapid data transfer Q
03 - Output diagnostic test mode


- Press -Q- button to confirm input.

Indicated on display


Output diagnostic test mode ->
Speaker


The hands-free speaker is briefly supplied with current (not audible). The hands-free speaker is only connected directly to the navigation control module if no radio system is installed, the output Diagnostic test Mode (DTM) only makes sense in this case.

If a radio system (without BOSE) is installed, front left speaker is used for voice output. For vehicles with BOSE-sound system, the voice output occurs via the radio to the hands-free speaker.


NOTE: The malfunction type "short circuit of wires to each other" for the hands-free speaker can only be detected via the output Diagnostic Test Mode (DTM). If this malfunction occurs, ft is stored in DTC memory (00851).


- Press -> button.

Indicated on display


Output diagnostic test mode ->
Speaker connection


For approx. three seconds a sound will be put out on the speaker output (hands-free speaker) i.e. front left speaker) a sound is put out. The sound are voice phases (if voice is loaded in the navigation) or "crackling".

- Press -> button.

Indicated on display


Output diagnostic test mode ->
Radio display in instrument cluster


The following test pattern appears in the instrument cluster display:

DISPLAY TEST

The test pattern appears in the complete display range.

The display changes in 4 second interval between normal and inverse illustration.

- Press -> button.

Indicated on display


Output diagnostic test mode ->
End


- Press -> button.

Scan tool returns to function selection prompt.

Indicated on display


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