Function 07, Code Control Module: Notes
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:
-- 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.
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 |
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 1 to select "Rapid data transfer" operating mode 1.
Indicated on display
| Rapid data transfer HELP Insert address word XX |
-- Press buttons 0 and 8 to insert "AC/Heating Electronics" address word 08.
Indicated on display
| Rapid data transfer Q 08 - AC/Heating Electronics |
-- Press Q 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.
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.