Self diagnosis
Interrogating and erasing fault memory
Special tools, testers and auxiliary items
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◆ Fault reader V.A.G 1551 or vehicle system tester V.A.G 1552 with cable V.A.G 1551/3
Note:
The vehicle system tester V.A.G 1552 can be used instead of the fault reader V.A.G 1551, however a print-out is not possible.
Work sequence
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‒ Connect fault reader V.A.G 1551 (V.A.G 1552) and with the "Address word" 01 select the engine electronics control unit. When doing this the engine should be idling.
(Connecting fault reader and selecting engine electronics control unit .)
Only when engine does not start:
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‒ Switch on fault reader printer with the print key. The warning lamp in key must light up.
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