volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 2426 > < Emissions - Possible MIL ON/Cat Converter DTC's Set|Page 2423
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Catalytic Converter: Testing and Inspection
With Manufacturer's Scan Tool

Catalyst, checking

Special tools and equipment

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V.A.G 1551 Fault reader

Note:

The VAG1552 vehicle system tester can be used instead of the VAG1551 Scan Tool, but a print-out is not possible.

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VAG 1551/3B Cable

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VAG1788/10 speed regulator

Test sequence

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Connect fault reader V.A.G 1551 (V.A.G 1552). Start engine and select engine control unit with "Address word" 01. Connecting fault reader and
selecting engine control unit.

Note:

The diagnosis will only be terminated if the oxygen sensor aging diagnosis is first successfully completed.

Indicated on display:

Rapid data transfer

HELP

Select function XX

With Manufacturer's Scan Tool|Page 2426 > < Emissions - Possible MIL ON/Cat Converter DTC's Set|Page 2423