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Self-diagnosis
Technical data of self-diagnosis
Equipment
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◆ Fault memory: Non-volatile memory1)
1) Will be erased after 40th engine start if fault has not occurred again.
Control unit identification
; connecting fault reader V.A.G 1551 and selecting engine electronics control unit
Selectable functions
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Function
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Requirement
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Engine not running, ignition on
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Engine idling
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01
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Interrogate control unit versions
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yes
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yes
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02
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Interrogate fault memory
|
yes
|
yes
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03
|
Final control diagnosis
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yes
|
no
|
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04
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Introduction of basic setting
|
yes
|
no
|
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05
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Erase fault memory
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yes
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yes
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06
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End output
|
yes
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yes
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07
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Code control unit
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yes
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no
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08
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Read measured value block
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yes
|
yes
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