Golf L4-2.0L (AZG) (2004)
Catalytic Converter: Testing and Inspection
With Manufacturer's Scan Tool
Three Way Catalyst, checking
Special Tools
Special Tools
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VAG 1551 Scan Tool
Note: VAG 1552 Scan Tool can be used instead of the VAG 7551,- however, the VAG 1552 has no printer
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VAG 1551/3 Adapter cable
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VAG 1788/10 RPM adjuster
Test sequence
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Connect VAG 1551/1552) Scan Tool.
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Start engine and let idle
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Press 0 and 1 buttons to select Address Word 01: "engine electronics"
Display will appear as shown
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Press 0 and 4 buttons to select Function 04: "Basic setting"
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Press Q button to enter input
Display will appear as shown
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Press 0, 4 and 6 buttons to select "Display group 46"