Typical Enabling Conditions
CASE 1
| Battery voltage | Higher than 11 V |
| No. 2 turbo pressure sensor fail (P0237, P0238) | Not detected |
| Atmospheric pressure sensor fail (P2228, P2229) | Not detected |
| Either of the following conditions is met | A or B |
| A. Engine | Stop |
| B. Idle | On |
CASE 2
| Battery voltage | Higher than 11 V |
| No. 2 turbo pressure sensor fail (P0237, P0238) | Not detected |
| Atmospheric pressure sensor fail (P2228, P2229) | Not detected |
| Time after engine start | 5 seconds or more |