Warm-Up Three-Way Catalytic Converter (WU-TWC) Inspection

1. Connect the WDS or equivalent to the DLC-2.
2. Start the engine and warm it up to normal operating temperature.
3. Turn off the engine.
4. Verify that the engine compression is within the specification. (See COMPRESSION INSPECTION ). (See COMPRESSION INSPECTION ).
   • If the compression pressure is not within the specification, repair or replace the malfunction part.
5. Drive the vehicle for 10 min at 65-96 km/h {40-60 mph}  to allow the WU-TWC to reach operating temperature.
6. Stop the vehicle and leave it in a safe space.
7. Access Test ID 10:21:80^*1 ,10:22:80^*2 on the "Diagnostic Monitoring Test Result" function.
8. Verify that the test result is within the specified indicated on the WDS or equivalent.
   • If it is not as specified, replace the WU-TWC. (See EXHAUST SYSTEM REMOVAL/INSTALLATION ). (See EXHAUST SYSTEM REMOVAL/INSTALLATION ).

^*1 : L3

^*2 : AJ