Passat Syncro Wagon V6-2771cc 2.8L DOHC (AHA) (1998)
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Use the -C- button to exit the test sequence at any time.
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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
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Press buttons -0- and -3- to select function 03 "Output Diagnostic Test Mode (DTM)".
Indicated on display
Rapid data transfer
Q
03 - Output Diagnostic Test Mode (DTM)
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Press -Q- button to confirm input.
Indicated on display
Output Diagnostic Test Mode (DTM)
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Speaker
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A tone emits from all speakers in sequence
If a fault is detected in the speaker system, a DTC will load into memory.
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If no tone emits from one or more speakers, check DTC memory if necessary.
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Check and repair speaker system as necessary, erase DTC memory and continue with Output DTM
If Output DTM (speaker function) is OK
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Press -> button.
Indicated on display:
Output Diagnostic Test Mode (DTM)
->
Output Radio Display Instrument Cluster
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The message "TEST DISPLAY" appears in the instrument cluster radio display (where applicable).
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Press -> button.
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The message "DIAG." appears in the instrument cluster radio display.
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Press -> button.
Indicated on display:
Output Diagnostic Test Mode (DTM)
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END
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Press -> button.
Indicated on display (select function):
Rapid data transfer
HELP
Select function XX
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End output (function 06).
Reading
Read Measuring Value Block (Function 08)
The measuring value block is divided into 6 display groups, each containing 4 display fields.
Use this function to observe various radio system inputs.
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Connect VAG 1551 Scan Tool (ST), input address word 56 "Radio" and then press -> button, until "Select function XX" is shown in display.