Monitor Strategy
| Related DTCs | P0031: Air fuel ratio sensor (bank 1 sensor 1) heater range check (low current) P0032: Air fuel ratio sensor (bank 1 sensor 1) heater range check (high current) P0051: Air fuel ratio sensor (bank 2 sensor 1) heater range check (low current) P0052: Air fuel ratio sensor (bank 2 sensor 1) heater range check (high current) P101D: Air fuel ratio sensor (bank 1 sensor 1) heater performance P103D: Air fuel ratio sensor (bank 2 sensor 1) heater performance |
| Required Sensors/Components (Main) | Air fuel ratio sensor heater |
| Required Sensors/Components (Related) | - |
| Frequency of Operation | Continuous |
| Duration | 10 seconds: P0031 and P0051 10.24 seconds: P0032 and P0052 1 second: P101D and P103D |
| MIL Operation | Immediate |
| Sequence of Operation | None |