Typical Enabling Conditions
WARNING: This page is about a different car, the 2009 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
ALL
| Monitor runs whenever following DTCs are not present | None |
| Battery voltage | 10.5 V or more |
AFTER ENGINE STOP
| Time after engine start | 10 seconds or more |
| ECT sensor circuit (P0115, P0117, P0118) | OK |
| ECT change since engine stop | Less than 180°C (324°F) |
| ECT before engine stop | 70°C (158°F) or more |
| Time that MAF is low before engine stop | Less than 70 minutes |
| Accumulated MAF amount before engine stop | 3800 g or more |
| Key-off duration | 30 minutes |
AFTER COLD ENGINE START
| Key-off duration | 5 hours or more |
| Time after engine start | 10 seconds or more |
| ECT sensor circuit (P0115, P0117, P0118) | OK |
| ECT | 70°C (158°F) or more |
| Accumulated MAF amount | 3800 g or more |
| Either of the following conditions is met: | Condition a or b |
| a. Duration while engine load is low | 120 second or more |
| b. Duration while engine load is high | 10 seconds or more |