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20 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 0.5m OK or NG OK © GO TO 21. NG © Replace EVAP control system pressure sensor. 21 CHECK EVAP PURGE LINE Check EVAP purge line (pipe, rubber tube, fuel tank and EVAP canister) for cracks or improper connection. OK or NG OK © GO TO 22. NG © Repair or reconnect the hose. 22 CLEAN EVAP PURGE LINE Clean EVAP purge line (pipe and rubber tube) using air blower. © GO TO 23. GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX DTC P1441 EVAP CONTROL SYSTEM (VERY SMALL LEAK) Diagnostic Procedure (Cont’d) EC-539 |