New Beetle L4-1.8L Turbo (BNU) (2005)
Engine Control Module: Testing and Inspection
Engine Control Module Diagnostic Trouble Code (DTC) 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 5051/5A or VAS 5051/6A
Work sequence
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Connect Vehicle Diagnosis, Testing and Information System VAS 5051 as follows:
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Connect connector of diagnosis cable VAS 5051/5A or VAS 5051/6A to Data Link Connector (DLC).
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Start engine and run at idling speed.
Only when engine does not start:
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Switch ignition on.
Select operating mode:
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Press button on display for 'Vehicle self-diagnosis".
Select vehicle system:
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Press button "01-Engine electronics" on display.
The control module identification and coding are indicated on the display.
NOTE: A print-out can be made if needed. On the display, press the button "Print".
Selecting diagnostic function
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Press button "02 -Read DTC memory" on display.
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If no fault is stored in engine control module"0 DTC(s) detected" is displayed.
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If DTCs are stored in engine control module, these are shown on display.
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Press key.
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Press button "05 - Erase DTC memory" on display.
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Press function "06 - End output".
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If DTC memory was erased readiness code must be generated again. See: Computers and Control Systems/Testing and Inspection/Programming