Diagnostic Procedure

ENGINE COOLANT TEMPERATURE GAUGE INDICATION IS DEFECTIVE DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	PERFORM CAN MALFUNCTION DIAGNOSIS AND DTC INSPECTION Perform the CAN malfunction diagnosis according to the recommendation of FOREWORD malfunction diagnosis, and if there is no CAN malfunction, perform inspection for DTCs. (See DTC INSPECTION .) Is the DTC displayed?	Yes	Go to the applicable DTC inspection. (See DTC TABLE .)
1		No	Go to the next step.
2	INSPECT ECT SENSOR Inspect the ECT sensor. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION [SKYACTIV-G 2.5 (VIN M)] .) Is the ECT sensor normal?	Yes	Replace the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION .)
2		No	Replace the ECT sensor. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION [SKYACTIV-G 2.5 (VIN M)] .)