Scantool Diagnostics

Tire Pressure Monitoring System
C1126 TPMS ECU Battery Voltage Low - 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 more than 10 V

7. Is parameter within specifications?