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Function 07, Code Control Module: Notes

NOTE:

Always carry out the basic setting function after coding the A/C control head FUNCTION 04, BASIC SETTING VAG 1551 .

-- Connect Scan Tool: VAG1551  to Data Link Connectors (DLC) in auxiliary relay panel I (left side of water plenum) using diagnostic cable : VAG1551  /1 as follows:

GWWV28-0984Courtesy of AUDI OF AMERICA, LLC

-- Remove cover from auxiliary relay panel I in plenum.

-- Connect black connector to black DLC (battery positive voltage (B+) supply to DLC).

-- Connect white connector to white DLC.

Blue connector is not used.

NOTE:

If there is no display on the Scan Tool: VAG1551  , check the B+ power supply to the black DLC ON BOARD DIAGNOSTIC DATA LINK WIRING, CHECKING .

Indicated on display -item  ) Operating modes 1 and 2 are displayed alternately.

V.A.G - On Board Diagnostic HELP 
1 - Rapid data transfer 
V.A.G - On Board Diagnostic HELP 
2 - Blink code output 
  1. Operating modes 1 and 2 are displayed alternately.
NOTE:

Press the HELP  button to print out additional information and operating instructions.

Press the →  button to advance through the : VAG1551  On Board Diagnostic (On Board Diagnostic) program sequence.

-- Switch ignition ON.

-- Press PRINT  button to switch printer on (button lights up).

-- Press button to select "Rapid data transfer" operating mode 1.

Indicated on display

Rapid data transfer HELP 
Insert address word XX 

-- Press buttons and to insert "AC/Heating Electronics" address word 08.

Indicated on display

Rapid data transfer Q 
08 - AC/Heating Electronics 

-- Press button to enter input.

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If the display appears as shown:

Rapid data transfer HELP 
Control module does not answer 

-- Check DTC memory DIAGNOSTIC TROUBLE CODE MEMORY, CHECKING AND ERASING .

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A/C control head identification and coding are displayed

4A0 820 043 A Klima-Vollautomat DXX → 
Coding 00062 WSC 23890 

-- Press →  button.

NOTE:

A/C control head coding may be displayed with or without the 1st and 2nd digits (e.g. 062 instead of 00062), depending on the Scan Tool: VAG1551  program card version.