Audi Workshop Service and Repair Manuals

Notes:

• ◆ Final control diagnosis can only be performed with engine stopped and ignition switched on.
• ◆ If final control diagnosis detects a fault, locate and eliminate cause of problem.

"Final control diagnosis" function consecutively actuates the following dash panel insert control elements (if fitted/encoded):

Test requirement:

• ● Illumination on

Sequence of operations

• ‒ Start dash panel insert self-diagnosis .

→ Display on VAS 5051:

• ‒ From list -1- select diagnosis function "03 - Final control diagnosis".

Actuation of analog displays

→ Display on VAS 5051:

•     A -    1st control element being tested
•     1 -    Analog displays

The following tests are implemented simultaneously:

• ◆ Passage of coolant temperature gauge needle through entire display range
• ◆ Passage of rev counter needle through entire display range
• ◆ Passage of speedometer needle through entire display range
• ◆ Passage of fuel gauge needle through entire display range

The following fixed values are displayed on completion of the above process:

Actuation of warning lamp test for dash panel insert

• ‒ Touch ▸ key.

→ Display on VAS 5051:

•     A -    2nd control element being tested
•     2 -    Dash panel insert warning lamp test

• ◆ Warning lamps in dash panel insert are actuated

Actuation of seat belt warning system warning lamp

• ‒ Touch ▸ key.

→ Display on VAS 5051:

•     A -    3rd control element being tested
•     3 -    Seat belt warning system warning lamp -K19

• ◆ Seat belt warning system warning lamp is actuated (lights)

Notes:

• ◆ Seat belt warning system warning lamp is only activated in the event of appropriate dash panel insert encoding.
• ◆ Seat belt warning system warning lamp is not active if it is not called up in final control diagnosis function.

Actuation of gong

• ‒ Touch ▸ key.

→ Display on VAS 5051:

•     A -    4th control element being tested
•     4 -    Gong

• ◆ Gong sounds intermittently

Actuation of segment test

• ‒ Touch ▸ key.

→ Display on VAS 5051:

•     A -    5th control element being tested
•     5 -    Segment test

• ◆ All elements of multifunction display, clock/date LCD and mileage counter/trip recorder LCD light

Actuation of illumination/switches and instruments

• ‒ Touch ▸ key.

→ Display on VAS 5051:

•     A -    6th control element being tested
•     6 -    Illumination/switches and instruments

• ◆ Dash panel insert illumination is dimmed, becomes brighter, is then dimmed again and finally returns to original brightness level

• ‒ Touch ▸ key.

→ Display on VAS 5051:

•     A -    Control element test over

• ‒ Terminate function "03 - Final control diagnosis" by touching ◂ key.