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P0182, P0183 FTT SENSOR EC-1277 < COMPONENT DIAGNOSIS > [VQ35DE] C D E F G H I J K L M A EC N P O P0182, P0183 FTT SENSOR Description INFOID:0000000004362117 The fuel tank temperature sensor is used to detect the fuel tempera- ture inside the fuel tank. The sensor modifies a voltage signal from the ECM. The modified signal returns to the ECM as the fuel temper- ature input. The sensor uses a thermistor which is sensitive to the change in temperature. The electrical resistance of the thermistor decreases as temperature increases. <Reference data> *: These data are reference values and are measured between ECM terminals 95 (Fuel tank temperature sensor) and 104 (Sensor DTC Logic INFOID:0000000004362118 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct- ing the next test. 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. >> GO TO 2. 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON and wait at least 5 seconds. 2. Check 1st trip DTC. YES >> Go to EC-1277, "Diagnosis Procedure" NO >> INSPECTION END Diagnosis Procedure INFOID:0000000004362119 1. CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection E9. Refer to Ground Inspection in . Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2. CHECK FUEL TANK TEMPERATURE SENSOR POWER SUPPLY CIRCUIT Fluid temperature [ °C (°F)] Voltage* (V) Resistance (k Ω) 20 (68) 3.5 2.3 - 2.7 50 (122) 2.2 0.79 - 0.90 SEF012P DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0182 Fuel tank temperature An excessively low voltage from the sensor is • Harness or connectors (The sensor circuit is open or shorted.) • Fuel tank temperature sensor P0183 Fuel tank temperature An excessively high voltage from the sensor is |