Scantool Diagnostics
P1781 Battery Voltage Low
Scantool Diagnostics
Monitor Scantool Data
1. Connect scantool to Data Link Connector (DLC).
2. Start engine and turn the headlight and the heatwire on.
3. Monitor the "BATTERY VOLTAGE" parameter on the scantool.
4. Maintaining ENG. RPM at 2,500 RPM (idle) over 2 minutes.
Specification : more than 10 [V]
5. Is parameter within specifications?