P0620 is set when the ECU detects overheat on the alternator for 1 sec.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. Alternator control circuit is short to battery 2. Faulty alternator | |
Enable Conditions |
•
IG "ON" & Engine "ON" | ||
Threshold Value |
•
Alternator control circuit is short to battery. | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
NO | ||
