P0489 is set when '0'A is detected in Electric EGR control valve circuit for more than 0.65 sec. This code is due to open or short to ground in Electric EGR control valve circuit or internal open in Electric EGR control valve component.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Feed back position monitoring |
•
Electric EGR control valve circuit
•
Electric EGR control valve component | ||
Enable Conditions |
•
IG OFF | |||
Threshold Value |
•
EGR valve feed back position voltage signal < 0.5V | |||
Diagnostic Time |
•
650 msec. | |||
Fail Safe | Fuel cut | NO | ||
EGR Off | NO | |||
Fuel Limit | NO | |||
MIL | YES | |||
