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18 CHECK FUEL TANK TEMPERATURE SENSOR 1. Remove fuel level sensor unit. Refer to EC-290, “Component Inspection”. 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 connector connected. CAUTION: I Never apply force to the air hole protector of the sensor if equipped. SEF799W 2. Remove hose from EVAP control system pressure sensor. CAUTION: I Always calibrate the vacuum pump gauge when using it. I Do not apply below −20 kPa (−150 mmHg, −5.91 inHg) or over 20 kPa (150 mmHg, 5.91 inHg) of pressure. 5. Check input voltage between ECM terminal 84 and ground. SEF342X CAUTION: I Discard and EVAP control system pressure sensor which has been dropped from a height of more than 0.5 OK or NG OK © GO TO 20. NG © Replace EVAP control system pressure sensor. GI MA EM LC FE CL MT AT AX SU BR ST RS BT HA SC EL IDX DTC P0440 EVAP CONTROL SYSTEM (SMALL LEAK) (NEGATIVE PRESSURE) Diagnostic Procedure (Cont’d) EC-379 |