Output Diagnostic Test Mode (Function 03)
Output Diagnostic Test Mode (DTM) (Function 03)
The Output Diagnostic Test Mode (DTM) is part of the electrical check.
The DTC memory must be checked after the Output Diagnostic Test Mode (DTM).
Output Diagnostic Test Mode (DTM), initiating
NOTE:
- Output Diagnostic Test Mode cannot be initiated, or will be interrupted if engine is running or vehicle is moving.
- Use the -C- button to exit the test sequence at any time.
- Connect VAG 1551 Scan Tool (ST), input address word 56 "Radio" and then press -> button, until "Select function XX" is shown in display.
Indicated on display (select function):
Rapid data transfer HELP
Select function XX
- Press buttons -0- and -3- 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 ->
Segment test
"AAAABBBBCCCCDDDD" will appear in the instrument cluster display.
- Switch on radio system, tune in radio program and set to middle volume.
- Press -> button.
Indicated on display:
Output Diagnostic Test Mode ->
Radio louder
The volume increases.
- Press -> button.
Indicated on display:
Output Diagnostic Test Mode ->
Radio quieter
The volume decreases.
- Press -> button.
Indicated on display:
Output Diagnostic Test Mode ->
Station search up-band
Station search for the next radio station up-band which will appear in radio display (and in display in instrument cluster where applicable).
- Press -> button.
Indicated on display:
Output Diagnostic Test Mode ->
Station search down-band
Station search for next radio station down-band which will appear in radio display and (and in display in instrument cluster where applicable).
- Press -> button.
Indicated on display:
Output Diagnostic Test Mode ->
END
- Press -> button.
Indicated on display:
Rapid data transfer HELP
Select function XX
- End Output (function 06).