P0490 is set when EGR actuator motor circuit is short to battery more than 1 sec. Check the both of motor (+) and (-).
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage Monitoring | 1. EGR actuator motor | ||
Enable Conditions |
•
Engine running | |||
Threshold value |
•
EGR actuator moter circuit is short to battery | |||
Diagnosis Time |
•
1000ms | |||
Fail Safe | Fuel cut | NO |
•
- | |
EGR Off | YES | |||
Fuel Limit | YES | |||
Check Lamp | ON | |||
