Monitor Strategy
MONITOR STRATEGY
| Related DTCs | P2401: Vacuum pump stuck OFF P2402: Vacuum pump stuck ON |
| Required Sensors/Components | Purge VSV and pump module |
| Frequency of Operation | Once per driving cycle |
| Duration | Within 2 minutes (varies with amount of fuel in tank) |
| MIL Operation | 2 driving cycles |
| Sequence of Operation | None |