Monitor Strategy
| Related DTCs | P144C: Secondary air injection system air pump heater circuit range check low voltage P144D: Secondary air injection system air pump heater circuit range check high voltage |
| Required Sensors/Components | Air pump heater relay (AIR PUMP HTR) |
| Required Sensors/Components | ECM |
| Frequency of Operation | Continuous |
| Duration | 5 seconds |
| MIL Operation | Immediate |
| Sequence of Operation | None |