Function Test

Step	Procedure	Result / Action to Take
1	Activate Monitors: Perform the function test in Diagnostic Mode 06. Refer to appropriate Diagnostic Mode 06 - Read Test Results for Specific Diagnostic Functions, DIAGNOSTIC MODES 01 - 0A . End diagnosis and switch the ignition off. If the specified values are exceeded:	Check the exhaust system for leaks. If necessary, repair the leak(s) in the exhaust system. GO TO: Step 2 THREE WAY CATALYTIC CONVERTER (TWC), CHECKING - 2 .
2	O2 Sensor Monitoring: 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:	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 appropriate service information. GO TO: Step 3 THREE WAY CATALYTIC CONVERTER (TWC), CHECKING - 3 .
3	Refer To The Final Procedure Below;