Scantool Diagnostics

Tire Pressure Monitoring System
C1127 TPMS ECU Battery Voltage High - Scantool Diagnostics

Monitor Scantool Data

1. Start engine and turn headight and rear defroster on.
2. Connect 'TPMS exciter' or scantool to Data Link Connector(DLC).
3. Select "TPMS DIAGNOSIS" mode.
4. Select the "INPUT VALUES" mode of "CURRENT DATA" function.
5. Maintaining ENG. RPM at 2,500RPM(idle) over 2 minutes.
6. Monitor the parameter of 'BATTARY VOLTAGE' on the 'TPMS exciter' or scantool.

Specification :'BATTARY VOLTAGE' is less than 16.5 V

7. Is parameter within specifications?