volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 2188 > < With Manufacturer's Scan Tool|Page 2186
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Catalytic Converter: Testing and Inspection
With Generic Scan Tool

Catalytic Converter, Checking

Function test

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Select the measuring value "Test-ID 01: Catalytic converter" and check whether the specified values are being reached, Diagnostic mode 6: Check
test results of components that are not continuously monitored.  

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End diagnosis and switch ignition off.

If the specified values are exceeded:

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Replace the front exhaust pipe with catalytic converter:
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Vehicles with engine code AEG, item 13,

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Vehicles with engine code AVH, AZG, BDC, item 10.

Continuation for all vehicles

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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data.  

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Generate readiness code.  See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles
and Readiness Codes

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