ECM set DTC P0620 If it is open or short in Control circuit of alternator. If this DTC is set, Idle stop is not performing.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Signal check |
•
Open or Short in harness
•
Poor connection or damaged harness | ||
Enable Conditions |
•
IG ON | |||
Threshold Value |
•
Open or Short circuit | |||
Diagnostic Time |
•
4 sec. | |||
MIL ON Condition |
•
DTC only(Idle stop forbidden) |