Typical Enabling Conditions
WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
All:
TYPICAL ENABLING CONDITIONS
| Monitor runs whenever following DTCs are not present | None |
After engine stop:
TYPICAL ENABLING CONDITIONS
| Time after engine start | 10 seconds or more |
| Battery voltage | 10.5 V or more |
| ECT sensor | OK |
| ECT change since engine stopped | Less than 180°C (356°F) |
| ECT before engine stop | 70°C (158°F) or more |
| Time that MAF is low before engine stop | 70 minutes |
| Accumulated MAF amount before engine stop | 3,774 g or more |
| Key-off duration | 30 minutes |
After cold engine start:
TYPICAL ENABLING CONDITIONS
| Key-off duration | 5 hours |
| Time after engine start | 10 seconds or more |
| ECT sensor | OK |
| ECT | 70°C (158°F) or more |
| Accumulated MAF amount | 3,774 g or more |
| One of the following conditions 1 or 2 is met: | - |
| 1. Duration while engine load is low | 120 seconds or more |
| 2. Duration while engine load is high | 10 seconds or more |