If E-EGR actuator performance error is detected, ECM sets DTC P040400.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal monitoring | 1. Poor connector connection 2. Faulty E-EGR actuator circuit 3. Stuck on E-EGR actuator 4. Faulty E-EGR actuator | ||
Enable Condition |
•
Engine running | |||
Threshold Value | Case 1 |
•
Over temperature error for E-EGR actuator
•
Temperature dependent over current error for E-EGR actuator | ||
Case 2 |
•
Stuck closed E-EGR actuator valve | |||
Case 3 |
•
Stuck opened E-EGR actuator valve | |||
Detecting Time | Case 1 |
•
2 sec. | ||
Case 2 |
•
1 sec. | |||
Case 3 |
•
1 sec. | |||
Fail Safe | MIL |
•
On | ||
EGR OFF |
•
Yes | |||
Torque Limit |
•
Yes | |||
DPF Regeneration OFF |
•
Yes (Case 1, 3) | |||
