P244A is set when ECU remember the maximum differential pressure and emission volume in normal operating conditions within a driving cycle.then Key-off and then on After-run compare mapping with the minimum differential pressure and finally determune whether the DPF damage occurs
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage monitoring | 1. DPS system | ||
Enable Conditions |
•
Key-off and then on After-run | |||
Threshold value |
•
Differncial pressure is above above maximun at steady state | |||
Diagnosis Time |
•
20 msec. | |||
Fail Safe | Fuel cut | NO |
•
- | |
EGR Off | NO | |||
Fuel Limit | NO | |||
Check Lamp | ON |