Typical Enabling Conditions
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| All of the following conditions are met | - |
| Battery voltage | 8 V or higher |
| Write Inhibit | permit |
| Time after Write status forbiddance to permit | 0.5 seconds or more |
| Ignition switch | ON |
| Time after ignition switch is off to ON | 0.5 seconds or more |
| Starter | Off |
| Time after starter on to off | 0.5 seconds or more |
| Engine stop and start ECU internal back up boost converter fail (P323C) | Not detected |