Code Enable Criteria
- Engine is running.
- System voltage is 9-18 volts.
- Throttle angle is less than 15 percent on VIN K engine.
- Throttle angle is less than 30 percent on VIN 1 engine.
- MAP and TP sensor values are steady for more than 2 seconds.
- MAP is less than 80 kPa.
- DTCs P0102, P0103, P0107, P0108, P0121, P0122, P0123, P0401, P0404, P0405, P0440, P0442, P0446, P1404 and P1441 are not set.
DTC sets when actual MAF sensor signal is not within a predetermined range of calculated MAF value for more than 40 seconds.