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P0181 FTT SENSOR EC-647 < COMPONENT DIAGNOSIS > [VQ40DE] C D E F G H I J K L M A EC N P O P0181 FTT SENSOR Component Description INFOID:0000000005273611 The fuel tank temperature sensor is used to detect the fuel tempera- <Reference data> *: This data is reference value and is measured between ECM terminal 107 (fuel tank CAUTION: Never use ECM ground terminals when measuring input/output On Board Diagnosis Logic INFOID:0000000005273612 DTC Confirmation Procedure INFOID:0000000005273613 NOTE: 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. WITH CONSULT-III 1. Turn ignition switch ON and wait at least 10 seconds. 2. Check 1st trip DTC. If 1st trip DTC is not detected, go to following step. 3. Select “DATA MONITOR” mode with CONSULT-III. 4. Check “COOLAN TEMP/S” value. ° C (140 ° F), the result will be OK. If “COOLAN TEMP/S” is above 60 ° C (140 ° F), go to the following step. 5. Cool engine down until “COOLAN TEMP/S” is less than 60 ° C (140 ° F). BBIA0545E 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 P0181 Fuel tank temperature Rationally incorrect voltage from the sensor is • Harness or connectors (The sensor circuit is open or shorted) • Fuel tank temperature sensor |