Warm-Up Three-Way Catalytic Converter (WU-TWC) Inspection
WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
- Perform the following procedures, when DTC P0421:00 is only indicated.
- Connect the M-MDS to the DLC-2.
- Perform the KOEO self-test. (See KOEO/KOER SELF TEST
.)
- If the following DTCs are detected, repair the applicable malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-G 2.0, SKYACTIV-G 2.5)]
.)
- P0421:00
- If the following DTCs are detected, repair the applicable malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (SKYACTIV-G 2.0, SKYACTIV-G 2.5)]
.)