P2002 is set when differncial pressure below lower limit value at exhaust flow above specified value or differential pressure above maximum acceptable value is detected.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. DPS DPS signal circuit error 2. Faulty DPF DPS 3. Faulty DPF 4. Exhaust system leak | |
Enable Conditions |
•
IG "ON" & Engine "ON" | ||
Threshold Value |
•
Differncial pressure below lower limit value at exhaust flow above specified value for 15 sec.
•
Differential pressure above maximum acceptable value is detected for 2 sec. | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
YES | ||
