General Information
4WD Control
P1780 Battery Voltage High - General Information
Component Location
General Description
The 4WD ECM monitors the battery voltage to determine, as a safety issue, whether this system can operate normally or not. The normal battery voltage range is essential for controlling this system as intended.
DTC Description
4WD ECM sets this code if high voltage caused by faulty alternator or poor connention in power supply circuit is detected.
DTC Detecting Condition
Specification
Diagnostic Circuit Diagram