Monitor Scantool Data

Engine Control
P0117 Engine Coolant Temperature Circuit Low Input - Monitor Scantool Data

Monitor DTC Status

1. Connect scan tool and select "Diagnostic Trouble Codes(DTCs)" mode.
2. Press F4(DTAL) to select DTC information from the DTCs menu.
3. Confirm that "DTC Readiness Flag" indicates "Complete". If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions.
4. Read "DTC Status" parameter.




5. Is parameter displayed "History(Not Present) fault"?

NOTE:
1. History (Not Present) fault : DTC occurred but has been cleared.
2. Present fault : DTC is occurring at present time.

YES
> Fault is intermittent caused by poor contact in the sensor's and/or the PCM's connector, which was repaired but PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair" procedure.
NO
> Go to "Monitor Scantool Data" procedure.

Monitor Scantool Data

1. Ignition "ON" & Engine "OFF".
2. Disconnect ECTS connector.
3. Connect Scantool and monitor the "COOLANT TEMP. SNSR(V)" parameter on the Scantool data list.
Specification : Approx. 5V




4. Is ECTS parameter near the specified value?
YES
> Possibility of sensor malfunction. Go to "Component Inspection" procedure.
NO
> Possibility of signal circuit short to ground. Go to next step as below.