Conditions For Running DTC
- DTCs P0121, P0122, P0123, P0221, P0222, P0223 are not set.
- The engine is running for more than 0.5 second.
- The ignition 1 voltage is more than 11 volts.
DTC sets when MAF sensor voltage is less than 0.14 volt (less than zero grams per second).