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SEF809W EVAP canister purge control valve Check EVAP canister purge control valve as follows: Blow air in port q A and q C , then ensure that there is no leak- age. 2. Blow air in port q B , then ensure that there is a resistance to flow out of port q C . 3. Apply vacuum to port q A . [Approximately −13.3 to −20.0 kPa (−100 to −150 mmHg, −3.94 to −5.91 inHg)] q C and ensure free flow out of port q B . SEC050C AEC783A EVAP canister vent control valve Check air passage continuity. Perform “VENT CONTROL/V” in “ACTIVE TEST” mode with Condition VENT CONTROL/V Air passage continuity between q A and q B ON No OFF Yes ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ OR ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Condition Air passage continuity between q A and q B 12V direct current supply between ter- q 1 and q 2 No No supply Yes If NG or operation takes more than 1 second, clean valve using air q B is rusted, replace EVAP canister vent control valve. SEF829T Water separator 1. Check visually for insect’s nest in the water separator air inlet. 2. Check visually for cracks or flaws in the appearance. 3. Check visually for cracks or flaws in the hose. 4. Check that q A and q C are not clogged by blowing air into q B with q A , and then q C plugged. 5. In case of NG in items 2 - 4, replace the parts. NOTE: GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSIS FOR DTC P1493 Evaporative Emission (EVAP) Canister Purge EC-493 |