Monitor Strategy
| Related DTCs | P144C: Air pump heater relay circuit range check (Low voltage) P144D: Air pump heater relay circuit range check (High voltage) |
| Required Sensors/Components (Main) | Air pump heater relay (AI HTR) |
| Required Sensors/Components (Related) | - |
| Frequency of operation | Continuous |
| Duration | 5 seconds |
| MIL operation | Immediate |
| Sequence of operation | None |