Audi Workshop Service and Repair Manuals > A4 Mk1 > Vehicle electrics | Radio, Telephone and Navigation System - Self-diagnosis | Self diagnosis, V.A.G Inspection Service | Self-diagnosis of navigation system II-D (Navigation System Plus) (from week 48/99)

Radio, Telephone and Navigation System - Self-diagnosis

Self-diagnosis of navigation system II-D (Navigation System Plus) (from week 48/99)

Final control diagnosis

Notes:

◆ Final control diagnosis can only be performed with vehicle stationary and engine stopped.
◆ The navigation system must be switched on.
◆ If final control diagnosis detects a fault, locate and eliminate cause of problem if necessary.
◆ Final control diagnosis can only be performed once. Ignition must be switched off and on again if final control diagnosis is to be repeated.

Performing final control diagnosis:

→ Indicated on display:

Rapid data transfer Q

03 -Final control diagnosis

→ Indicated on display:

Final control diagnosis ⇒

Telephone/navigation systems loudspeaker -R39

A high-pitch signal is emitted for about three seconds from the loudspeaker (hands-free loudspeaker or loudspeaker at front left).

→ Indicated on display:

Final control diagnosis ⇒

Output radio display dash panel insert

Dash panel insert displays the following test pattern:


DISPLAY TEST

The test pattern covers the entire display.

The display changes between normal and inverse every 4 seconds.

→ Indicated on display:

Final control diagnosis ⇒

End

→ Indicated on display:

Rapid data transfer HELP

Select function XX

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