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DTC P0125 ECT SENSOR EC-1367 [VG33ER] C D E F G H I J K L M A EC DTC P0125 ECT SENSOR PFP:22630 Component Description UBS00DUH NOTE: The engine coolant temperature sensor is used to detect the engine <Reference data> *: These data are reference values and are measured between ECM terminal 59 CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam- On Board Diagnosis Logic UBS00DUI DTC Confirmation Procedure UBS00DUJ CAUTION: Be careful not to overheat engine. NOTE: WITH CONSULT-II 1. Turn ignition switch ON. SEF594K Engine coolant temperature °C (°F) Voltage* (V) Resistance (k Ω) −10 (14) 4.4 9.2 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 cool- ● Voltage sent to ECM from the sensor is not ● Engine coolant temperature is insufficient for ● Harness or connectors ● Engine coolant temperature sensor ● Thermostat |