Typical Malfunction Thresholds
WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
CASE 1
| One of the following conditions is met | A, B or C |
| A. Both of the following conditions are met | - |
| Internal engine off timer | 9.375 seconds or more |
| CPU clock elapsed time | 1.96608 seconds or more, and less than 8.323072 seconds |
| B. Both of the following conditions are met | - |
| Internal engine off timer | 18.75 seconds or more |
| CPU clock elapsed time | 8.323072 to 10.420224 seconds |
| C. Both of the following conditions are met | - |
| Internal engine off timer | Less than 9.375 seconds |
| CPU clock elapsed time | More than 10.420224 seconds |
CASE 2
| ECM started by internal engine off timer last trip | Yes |
CASE 3
| ECM started by internal engine off timer last trip | No |