Scantool Diagnostics

Engine Control
P0128 Coolant Thermostat (Coolant Temperature below Thermostat Regulating Temperature) - Scantool Diagnostics

Monitor GDS Data

1. Connect GDS to Data Link Connector(DLC).
2. IG "ON".
3. Select "DTC" button, and then Press "DTC Status" to check DTC's information from the DTCs menu.
4. Read "DTC Status" parameter.




5. Is parameter displayed "Present fault"?