volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Coding "BETA" radio > < Performing self-diagnosis
Radio, telephone, navigation
Self-diagnosis for radio generation 10.99 >
Final control diagnosis

The final control diagnosis is part of the electrical check.

The fault memory must be interrogated after the final control diagnosis.

Initiating final control diagnosis

Note:

The -C- key can be used to exit the test sequence at any time.

  • ‒ Connect fault reader V.A.G 1551, select operating mode 1 "Rapid data transfer", switch on ignition and enter address word 56 "Radio".
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX
  • ‒ Press keys 0 and 3 (03 selects the "final control diagnosis" function).
 
→ Indicated on display
Rapid data transfer     Q
03 - Final control diagnosis
  • ‒ Confirm entry with key Q.
 
→ Indicated on display:
Rapid data transfer     ⇒
Loudspeaker

The loudspeakers are tested with a test current.

If a loudspeaker circuit is recognized by the system as defective then a fault message is stored in the fault memory.

  • ‒ Interrogate fault memory
  • ‒ Service wiring or loudspeaker if necessary, erase fault memory and repeat final control diagnosis.

When final control diagnosis is OK:

  • ‒ Press ⇒ key.
 
→ Indicated on display:
Final control diagnosis     ⇒
Radio display dash panel insert output

Currently the Polo is not equipped with a dash panel insert display, therefore this display is not relevant.

  • ‒ Press ⇒ key.
 
→ Indicated on display:
Final control diagnosis     ⇒
END
  • ‒ Press ⇒ key.
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX
  • ‒ Press keys 0 and 6. (The function "End output" is selected with 06.)
 
→ Indicated on display:
Rapid data transfer     Q
06 End output
  • ‒ Confirm entry with key Q.
 
→ Indicated on display:
Rapid data transfer     Help
Enter address word XX

The tester is again in basic function.

Coding "BETA" radio > < Performing self-diagnosis