Scantool Diagnostics

Tire Pressure Monitoring
C1127 TPMS ECU Battery Voltage High - 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 : less than 17 [V]




Fig.1) Sensor current data at idle state
5. Is parameter within specifications?