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DTC P0125 ECT SENSOR EC-201 C D E F G H I J K L M A EC DTC P0125 ECT SENSOR PFP:22630 Component Description EBS00LYF NOTE: EC-190, "DTC P0117, P0118 ECT SENSOR" The engine coolant temperature sensor is used to detect the engine <Reference data> *: These data are reference values and are measured between ECM terminal 121 CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam- On Board Diagnosis Logic EBS00LYG This self-diagnosis has the one trip detection logic. SEF594K Engine coolant temperature ° C ( ° F) Voltage* V Resistance k Ω − 10 (14) 4.4 7.0 - 11.4 20 (68) 3.5 2.1 - 2.9 50 (122) 2.2 0.68 - 1.00 90 (194) 0.9 0.236 - 0.260 SEF012P DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0125 Insufficient engine coolant ● Voltage sent to ECM from the sensor is not ● Engine coolant temperature is insufficient for ● Harness or connectors ● Engine coolant temperature sensor ● Thermostat |