DTC P0116-00; ECT Sensor No. 1 Circuit Range/Performance Problem: Notes

NOTE:

To determine the malfunctioning part, proceed with the diagnostics from "Function Inspection Using M-MDS".

Details On DTCs

DESCRIPTION	ECT sensor No. 1 circuit range/performance problem
DETECTION CONDITION	Determination conditions	During the 5 min after the engine is started, the engine coolant temperature does not increase above 6 °C {11 °F}.
	Preconditions	Before starting the engine, leave the vehicle with the engine turned off for 6 hours or more. The following DTCs are not detected: ECT sensor No. 1: P0117:00, P0118:00
	Drive cycle	1
	Self test type	CMDTC self test
	Sensor used	ECT sensor No. 1
FAIL-SAFE FUNCTION	Not applicable
VEHICLE STATUS WHEN DTCs ARE OUTPUT	Illuminates check engine light.
POSSIBLE CAUSE	ECT sensor No. 1 connector or terminals malfunction PCM connector or terminals malfunction ECT sensor No. 1 loose ECT sensor No. 1 malfunction Poor assembly of engine coolant hose (engine coolant passage malfunction) Poor engine coolant, leakage, or freezing Use of unspecified engine coolant Thermostat malfunction PCM malfunction