Typical Enabling Conditions
WARNING: This page is about a different car, the 2014 Lexus ES 300h. 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 |
| All of the following conditions are met | - |
| Auxiliary battery voltage | 8 V or higher |
| Power switch | On (IG) |
| Time after power switch off to on (IG) | More than 0.5 seconds |
P261B
| All of the following conditions are met | - |
| Output duty cycle | 30% or more |
| Monitor synchronism monitor status | Enable |
| Engine coolant temperature | -10°C (14 °F) or higher |
| Engine coolant temperature sensor circuit fail (P0115, P0117, P0118) | Not detected |
| Engine water pump circuit low voltage fail (P261C) | Not detected |
| Engine water pump circuit high voltage fail (P261D) | Not detected |
P261C AND P261D
| Both of the following conditions are met | - |
| Output duty cycle | 30 to 85% |
| Engine water pump circuit performance fail (P261B) | Not detected |