Output Diagnostic Test Mode (DTM) (Function 03)

Output Diagnostic Test Mode (DTM) (Function 03)

NOTE:
- The Output Diagnostic Test Mode (DTM) may only be performed with the vehicle stationary and the engine not running.
- Any malfunctions identified by the Output Diagnostic Test Mode (DTM) must be traced and eliminated.

The Output Diagnostic Test Mode (DTM) tests the loudspeaker wiring and the secondary display

Performing Output Diagnostic Test Mode (DTM)
- Press buttons -0- and -3- to select "Output Diagnostic Test Mode (DTM)" function 03.

Indicated on display

Rapid data transfer Q
03 - Output Diagnostic Test Mode

- Confirm entry with the -Q- button.

Indicated on display

Output Diagnostic Test Mode ->
Loudspeaker

All loudspeakers will receive a brief electrical pulse (inaudible).

NOTE: Any malfunctions (e.g. short circuits) that occur will be recorded in the DTC memory.

- Press -> button.

Up to m.y. 2001:

Indicated on display:

Output Diagnostic Test Mode ->
Output Radio display/Instrument cluster

"DISPLAY"

"TEST"

are indicated on secondary display in combination instrument.

NOTE: For vehicles with radio-navigation system, the display changes from normal to inverse indication in 4 second intervals.

From m.y. 2002:

Indicated on display:

Output Diagnostic Test Mode ->
Segment test

All pixels on radio display are lit.

- Press -> button

Indicated on display:

Output Diagnostic Test Mode ->
Segment test

A 4 x 4 pixel size light area appears in center of radio display

The display "Diagnostic" will be phased out.

NOTE: No malfunction is stored in DTC memory in case of pixel malfunctions.

- Press -> button.

Indicated on display:

Output Diagnostic Test Mode ->
End

- Press -> button.
- Scan tool is now in basic function again.

Indicated on display:

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