Scantool Diagnostics
Tire Pressure Monitoring
C1127 TPMS ECU Battery Voltage High - Scantool Diagnostics
Monitor GDS Data
1. Connect GDS to Data Link Connector(DLC).
2. Start engine and turn the headight and the heatwire on.
3. Monitor the "BATTERY VOLTAGE" parameter on the GDS.
4. Maintaining ENG. RPM at 2,500RPM(idle) over 2 minutes.
Specification:less than 17 [V]
Fig.1) Sensor current data at idle state
5. Is parameter within specifications?