Monitor Strategy
WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
| Related DTCs | P219A: Air fuel ratio cylinder imbalance monitor (Bank 1) P219B: Air fuel ratio cylinder imbalance monitor (Bank 2) P219C: Air fuel ratio cylinder imbalance monitor (Cylinder 1) P219D: Air fuel ratio cylinder imbalance monitor (Cylinder 2) P219E: Air fuel ratio cylinder imbalance monitor (Cylinder 3) P219F: Air fuel ratio cylinder imbalance monitor (Cylinder 4) P21A0: Air fuel ratio cylinder imbalance monitor (Cylinder 5) P21A1: Air fuel ratio cylinder imbalance monitor (Cylinder 6) P21A2: Air fuel ratio cylinder imbalance monitor (Cylinder 7) P21A3: Air fuel ratio cylinder imbalance monitor (Cylinder 8) |
| Required Sensors/Components (Main) | Air fuel ratio sensor Crankshaft position sensor |
| Required Sensors/Components (Related) | Mass air flow meter assembly Engine coolant temperature sensor Vehicle speed sensor |
| Frequency of Operation | Once per driving cycle |
| Duration | 10 seconds: Air fuel ratio sensor monitoring method 30 seconds: Crankshaft position sensor monitoring method |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |