Typical Enabling Conditions
WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
ECT SENSOR COLD START MONITOR:
| Battery voltage | 10.5 V or more |
| Time after engine start | 1 second or more |
| ECT at engine start | Less than 60°C (140°F) |
| Soak time | 0 seconds or more |
| Accumulated MAF | 8727 g or more |
| Fuel cut | OFF |
| Difference between ECT at engine start and IAT | Less than 40°C (72°F) |
| Intake air temperature sensor circuit failure (P0112, P0113) | Not detected |
| Engine coolant temperature circuit failure (P0115, P0117, P0118, P0125) | Not detected |
| Thermostat failure (P0128) | Not detected |
ECT SENSOR SOAK MONITOR:
| Battery voltage | 10.5 V or more |
| Engine | Running |
| Soak time | 5 hours or more |
| Either (a) or (b) condition met | - |
| (a) ECT | 60°C (140°F) or more |
| (b) Accumulated MAF | 17454 g or more |
| Engine coolant temperature circuit failure (P0115, P0117, P0118, P0125) | Not detected |
| Thermostat failure (P0128) | Not detected |
| Soak timer circuit failure (P2610) | Not detected |