Monitor Result
WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Refer to detailed information in Checking Monitor Status.
Refer to CHECKING MONITOR STATUS [10/2022 - ]
P0420: CATALYST EFFICIENCY / O2 STORAGE B1
| Monitor ID | Test ID | Scaling | Unit | Description |
|---|---|---|---|---|
| $21 | $AF | Multiply by 0.001 | No dimension | Oxygen storage capacity of catalyst bank 1 (Normalization) |