Typical Enabling Conditions
WARNING: This page is about a different car, the 2017 Lexus RC 350, 2017 Lexus RC 300, 2016 Lexus RC 350, 2016 Lexus RC 300, and 2015 Lexus RC 350. However, it is still accessible from the selected car via links, so may be relevant.
ALL
| Monitor runs whenever the following DTCs are not stored | None |
COLD START MONITOR
| All of the following conditions are met | - |
| Battery voltage | 10.5 V or higher |
| Time after engine start | 1 second or more |
| Engine coolant temperature at engine start | Less than 60°C (140°F) |
| Soak time | 0 seconds or more |
| Accumulated mass air flow | 6289 g or more (for 2WD models) 6030 g or more (for AWD models) |
| Engine | Running |
| Fuel cut | Off |
| Engine coolant temperature sensor circuit fail (P0115, P0117, P0118, P0125) | Not detected |
| Intake air temperature sensor circuit fail (P0112, P0113) | Not detected |
| Thermostat fail (P0128) | Not detected |
| Difference between engine coolant temperature at engine start and intake air temperature | Less than 40°C (72°F) |
SOAK MONITOR
| All of the following conditions are met | - |
| Battery voltage | 10.5 V or higher |
| Engine | Running |
| Soak time | 5 hours or more |
| Either of the following conditions is met | (a) or (b) |
| (a) Engine coolant temperature | 60°C (140°F) or higher |
| (b) Accumulated mass air flow | 12579 g or more (for 2WD models) 12060 g or more (for AWD models) |
| Engine coolant temperature sensor circuit fail (P0115, P0117, P0118, P0125) | Not detected |
| Intake air temperature sensor circuit fail (P0112, P0113) | Not detected |
| Thermostat fail (P0128) | Not detected |
| Soak timer fail (P2610) | Not detected |