P1128
DTC P1128: MAP Sensor Signal Lower Than Expected1. Turn the ignition switch ON (II).
2. Check the MAP SENSOR in the DATA LIST with the HDS.
Is 64.4 kPa (19.0 in.Hg, 483 mmHg) or more indicated?
YES - Intermittent failure, system is OK at this time.
NO - Replace the MAP sensor.