Scantool Diagnostics
Tire Pressure Monitoring System
C1121 Sensor 1 Battery Voltage Low - Scantool Diagnostics
Monitor Scantool Data
1. Connect 'TPMS exciter' or scantool to Data Link Connector(DLC).
2. Select "TPMS DIAGNOSIS" mode.
3. Select the "FULL" mode of "TPM DATA VALUES" function.
4. Monitor the parameter of "S1 BATTERY" on the 'TPMS exciter' or scantool.
Specification :'S1 BATTERY' is 'NORMAL'.
Fig 1) Sensor current data (normal)
Fig 2) Connect the DLC for 'TPMS exciter'
5. Is parameter within specifications?