Scantool Diagnostics

Tire Pressure Monitoring

Tire Pressure Monitoring - C1126 Vehicle Battery Voltage Low - Scantool Diagnostics

Monitor Scantool Data

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

Specification :'BATT. VOLT' is more than 10 V








Fig 1) Sensor current data (normal)
Fig 2) BATT. VOLT low
Fig 3) Connect the DLC for 'TPMS exciter'
7. Is parameter within specifications?