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Self-diagnosis for the Motronic system
Technical self-diagnosis data
Features
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◆ The data transfer between control unit and vehicle diagnostic, testing and information system VAS 5051 or fault reader V.A.G 1551 takes place in "Rapid data transfer" mode.
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◆ The fault memory is a non-volatile memory and thus independent of the power supply.
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◆ Faults related to EPC are additionally indicated by the warning lamp for the electronic throttle control ("EPC warning lamp") which is situated in the dash panel insert.
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◆ If the engine control unit detect faults which result in deterioration of exhaust emissions, these faults will be indicated by illumination of exhaust gas warning lamp-K83. Significance of exhaust warning lamp -K83 .
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◆ Each time after erasing the fault memory the readiness code must be renewed => Page 01-69.
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