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Home >> Volkswagen >> 2012 >> Passat SE, 2.5L Eng VIN P, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 2.5L - Generic Scan Tool - Engine Code(S): CBTA & CBUA >> St Generic Scan Tool >> Diagnosis And Testing >> Diagnostic Procedures >> Catalytic Converter, Checking >> Test Requirements
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Test Requirements

NOTE:

If ANY Fuel Trim, misfire, or sensor faults are set, repair those faults BEFORE replacing the Catalytic Converter. Failure to do so will damage the replacement converter.

Function test

-- Perform the function test in Diagnostic Mode 06. Refer to DIAGNOSTIC MODE 06 - READ TEST RESULTS FOR SPECIFIC DIAGNOSTIC FUNCTIONS .

-- Switch the ignition Off.

If the specified values are exceeded:

-- Check the exhaust system for leaks.

-- If necessary, repair the leak in the exhaust system.

-- Erase the DTC memory. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .

-- Perform a road test to verify Repair.

If the DTC does not return:

Erase the DTC memory. Generate readiness code. Refer to READINESS CODE .

If no leaks are found in the exhaust system:

-- Replace the catalytic converter with front exhaust pipe. Refer to the Repair Information.