HO2S Heater Monitor
OPERATION
| DTCs |
P0037, P0038 |
| Monitor execution |
Continuous |
| Monitoring duration |
5 sec. |
ENABLE CONDITIONS
| Parameter |
Min. |
Max. |
| P0037 |
| Heater duty |
- |
75% |
| P0038 |
| Heater duty |
25% |
- |
TYPICAL MALFUNCTION THRESHOLDS
| P0037:
Heater monitor voltage < 8.95 V |
| P0038:
Heater monitor voltage > 8.95 V |