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DTC P0456 EVAP CONTROL SYSTEM EC-375 [KA24DE] C D E F G H I J K L M A EC 18. CHECK FUEL TANK TEMPERATURE SENSOR 1. Remove fuel level sensor unit. 2. Check resistance between fuel level sensor unit and fuel pump OK or NG OK >> GO TO 19. NG >> Replace fuel level sensor unit. 19. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR 1. Remove EVAP control system pressure sensor with its harness 2. Remove hose from EVAP control system pressure sensor. 3. Use pump to apply vacuum and pressure to EVAP control system pressure sensor as shown in figure. CAUTION: ● Always calibrate the vacuum pump gauge when using it. ● Do not apply below −93.3 kPa (−700 mmHg, −27.56 inHg) or over 101.3 kPa (760 mmHg, 29.56 inHg) of pressure. 4. Check output voltage between ECM terminal 62 and engine CAUTION: Discard any EVAP control system pressure sensor which OK or NG OK >> GO TO 20. NG >> Replace EVAP control system pressure sensor. Temperature °C (°F) Resistance k Ω 20 (68) 2.3 - 2.7 50 (122) 0.79 - 0.90 SEF852Z SEF341V Applied vacuum kPa (mmHg, inHg) Voltage [V] Not applied 1.8 - 4.8 -26.7 (-200, -7.87) 2.1 to 2.5V lower than above value SEF198V |