Scantool Diagnostics

Tire Pressure Monitoring System
C1126 TPMS ECU Battery Voltage Low - Scantool Diagnostics

Monitor Scantool Data

1. Park the vehicle on an even ground.
2. Connect scantool to Data Link Connector(DLC).
3. IG "ON"
4. Monitor the "BATTERY VOLTAGE" of TPMS sensor on the scantool.

Specification :IGN ON or Engine ON, normal range : 10 - 16V




Fig.1) Sensor current data at idle state
5. Is the sensor battery normal?