Monitor Strategy
| Related DTCs | P11EA: Air fuel ratio cylinder imbalance monitor (for port injection of bank 1) P11EB: Air fuel ratio cylinder imbalance monitor (for port injection of bank 2) P11EC: Air fuel ratio cylinder imbalance monitor (for port injection of cylinder 1) P11ED: Air fuel ratio cylinder imbalance monitor (for port injection of cylinder 2) P11EE: Air fuel ratio cylinder imbalance monitor (for port injection of cylinder 3) P11EF: Air fuel ratio cylinder imbalance monitor (for port injection of cylinder 4) P11F0: Air fuel ratio cylinder imbalance monitor (for port injection of cylinder 5) P11F1: Air fuel ratio cylinder imbalance monitor (for port injection of cylinder 6) P219A: Air fuel ratio cylinder imbalance monitor (for direct injection of bank 1) P219B: Air fuel ratio cylinder imbalance monitor (for direct injection of bank 2) P219C: Air fuel ratio cylinder imbalance monitor (for direct injection of cylinder 1) P219D: Air fuel ratio cylinder imbalance monitor (for direct injection of cylinder 2) P219E: Air fuel ratio cylinder imbalance monitor (for direct injection of cylinder 3) P219F: Air fuel ratio cylinder imbalance monitor (for direct injection of cylinder 4) P21A0: Air fuel ratio cylinder imbalance monitor (for direct injection of cylinder 5) P21A1: Air fuel ratio cylinder imbalance monitor (for direct injection of cylinder 6) |
| Required Sensors/Components (Main) | Air fuel ratio sensor Crankshaft position sensor |
| Required Sensors/Components (Related) | Mass air flow meter sub-assembly Engine coolant temperature sensor Vehicle speed sensor |
| Frequency of Operation | Once per driving cycle |
| Duration | 20 seconds: Air fuel ratio sensor monitoring method 30 seconds: Crankshaft position sensor monitoring method |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |