Typical Enabling Conditions
TYPICAL ENABLING CONDITIONS
| The monitor will run whenever the following DTCs are not preset | See PRE-CHECK |
| Battery voltage | 8 V or more |
| VVT system | No active test by scan tool |
| RPM fluctuation | Not changing rapidly |
| Engine RPM | 450 rpm to allowable RPM limit |
| ECT | -10 °C (14 °F) or more |
| IAT | -10 °C (14 °F) or more |
| MAF | more than 0.23 g/rev at 3000rpm (varies with ECT and RPM) |
| TP | Not changing rapidly |
| Transient spark timing retard control | Not commanded |