DTC Detecting Condition and Trouble Area
WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC INFORMATION AND PROCEDURES REFERENCE CHART
| DTC detecting condition | Trouble area |
|---|---|
| P0420: Catalyst System Efficiency Below Threshold Ratio of integrated value of HO2S output variation per integrated value of A/F sensor output variation is out of specified range while vehicle is running after warmed up. (2 D/C detection logic) |
|