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 | No. 1 integration relay (AIR PMP HTR) |
| Required Sensors/Components | ECM |
| Frequency of Operation | Continuous |
| Duration | 5 seconds |
| MIL Operation | Immediate |
| Sequence of Operation | None |