If the voltage for the 4WD ECU is more than normal value, the 4WD ECU sets P1780 and turns on the warning lamp.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
Checking IG voltage and battery voltage | 1. Poor connection 2. Open or short in the power supply circuit 3. Open or short in the charging circuit 4. Overcharging |
Enable conditions |
•
IG " ON " or Engine " ON " | |
Diagnostic Time |
•
1 second | |
Threshold value |
•
The battery voltage is more than 16.5V |
