PCM/ECM sets DTC P0625 if the PCM/ECM detects output duty signal lower than the possible range of a properly operating alternator.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Electrical Check | 1. Short to battery in harness 2. Poor connection or damaged harness | |
Enable Conditions | Case1 |
•
Time after ignition ON > 0.1sec.
•
Engine speed=0
•
No main relay error | |
Case2 |
•
Engine speed >0rpm
•
No relevant failure
•
Battery voltage <16V
•
600< Engine speed(rpm) <4000
•
Coolant temp. >73℃(140℉) | ||
Threshold Value | Case1 |
•
Alternator load <15% | |
Case2 |
•
Alternator load <2% | ||
Diagnostic Time | Case1 |
•
1sec. | |
Case2 |
•
20sec. | ||
MIL On Condition |
•
2 Drive Cycles | ||
