Golf L4-1.9L DSL Turbo (BEW) (2004)
Engine Control Module: Reading and Clearing Diagnostic Trouble Codes
Engine control module fault memory, reading and erasing
Special tools, testers and auxiliary items required
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Vehicle Diagnosis, Testing and Information System VAS 5051
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Diagnosis cable VAS 5051/1 or VAS 5051/3
Work sequence
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Connect vehicle diagnosis, testing and information system VAS5051 - 1 -as follows:
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Connect diagnosis cable VAS 5051/1 or VAS 5051/3 - 2 - to diagnosis connection.
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Start engine and run at idling speed.
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Only when engine does not start:
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Switch on ignition.
Selecting operating mode
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Press button on display for "Vehicle self-diagnosis" .
Selecting vehicle system
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Press button "01 - Engine electronics" on display.
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The control module identification and coding are indicated on the display.
Selecting diagnostic function
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Press button "02 - Read fault memory" on display.
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If no fault is stored in the engine control module "0 fault(s) detected" is displayed.
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If faults are stored in the engine control module, these are shown one below the other on the display.
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Press (arrow) key.
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Press button "05 - Erase fault memory" on display.
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Press function "06-End output" .