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P0442 EVAP CONTROL SYSTEM EC-285 < COMPONENT DIAGNOSIS > [VQ37VHR] C D E F G H I J K L M A EC N P O 2. Check if water will drain from EVAP canister (1). Does water drain from the EVAP canister? YES >> GO TO 8. NO-1 >> With CONSULT-III: GO TO 10. NO-2 >> Without CONSULT-III: GO TO 11. 8. CHECK EVAP CANISTER Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sensor Is the inspection result normal? YES-1 >> With CONSULT-III: GO TO 10. >> GO TO 9. 9. DETECT MALFUNCTIONING PART Check the following. >> Repair hose or replace EVAP canister. 10. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION With CONSULT-III 1. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP ser- 2. Start engine and let it idle. 3. Select “PURG VOL CONT/V” in “ACTIVE TEST” mode. 4. Touch “Qu” on CONSULT-III screen to increase “PURG VOL CONT/V” opening to 100%. 5. Check vacuum hose for vacuum. Is the inspection result normal? YES >> GO TO 13. NO >> GO TO 12. 11. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION Without CONSULT-III 1. Start engine and warm it up to normal operating temperature. 2. Stop engine. 3. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP ser- 4. Start engine and let it idle for at least 80 seconds. 5. Check vacuum hose for vacuum when revving engine up to 2,000 rpm. Is the inspection result normal? YES >> GO TO 13. NO >> GO TO 12. 12. CHECK VACUUM HOSE Check vacuum hoses for clogging or disconnection. Refer to 2 : EVAP canister vent control valve PBIB2731E Vacuum should exist. Vacuum should exist. |