volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Display group overview > < Coding radio functions
Radio, telephone, navigation
Radio/Navigation system self-diagnosis (RNS)
Read measured value block

The self-diagnosis continually monitors the input signals and voltages required to operate the radio/navigation system.

The measured value block is divided into 4 display group numbers. The assignment of the individual display zones can be taken from the display group overview =>Page 01-30 .

  • ‒ Connect fault reader V.A.G 1551, select operating mode 1 "Rapid data transfer", switch on ignition and enter address word 56 "Radio".

After displaying the control unit identification:

  • ‒ Press ⇒ key.
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX
  • ‒ Press keys -0- and -8- (08 initiates the "Read measured value block" function).
 
→ Indicated on display:
Rapid data transfer     Q
08 - Read measured value block
  • ‒ Confirm entry with the Q key.
 
→ Indicated on display:
Read measured value block     Help
Enter display group number XXX

The display group number 001 is an example, to illustrate the sequence.

  • ‒ Press keys 0, 0 and 1 for "Display group number 1" and confirm entry with Q key.
 
→ Indicated on display:
(1...4 = Display zones)
Read measured value block     1          "
     1     2     3     4

Note:

To change to another display group proceed as follows:

Display group

V.A.G 1551

V.A.G 1552

Higher

Press key 3

Press ↑key

Lower

Press key 1

Press ↓key

Skip

Press key C

Press key C

  • ‒ Displayed after pressing C key.
 
→ Indicated on display:
Read measured value block     Help
Enter display group number XXX
  • ‒ Now enter the display group number required.

Notes:

  • ◆ The actual sender and sensor values are always shown on the display.
  • ◆ Other display groups are possible but these are not required for fault finding!

Display group overview > < Coding radio functions