Scantool Diagnostics

Air Conditioner
B1687 Engine Coolant Temperature Sensor Circuit - CAN Signal - Scantool Diagnostics

Monitor Scantool data

1. Connect scantool with diagnostic connector.
2. Check that there is DTC on the VDC side.
3. Check Engine first if there is any DTC on the engine side and confirm that it is erasable.
4. If no DTC, select "engine coolant temperature sensor" parameter on the engine side.
5. Check that the value of engine coolant temperature is changable according to engine temperature change.




6. Is the engine coolant temperature sensor normal ?