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P0441 EVAP CONTROL SYSTEM EC-287 < DTC/CIRCUIT DIAGNOSIS > [HR16DE] C D E F G H I J K L M A EC N P O 3. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP ser- vice port and install vacuum gauge. For the location of EVAP service port, refer to . 4. Start engine and let it idle. Never depress accelerator pedal even slightly. 5. Check vacuum gauge indication before 60 seconds pass after starting engine. 6. Rev engine up to 2,000 rpm after 100 seconds pass after starting engine. Is the inspection result normal? YES >> GO TO 7. NO >> GO TO 4. 4. CHECK EVAP PURGE LINE 1. Turn ignition switch OFF. 2. Check EVAP purge line for improper connection or disconnection. EC-41, "EVAPORATIVE EMISSION SYSTEM : System Diagram" . Is the inspection result normal? YES >> GO TO 5. NO >> Repair EVAP purge line. 5. CHECK EVAP PURGE HOSE AND PURGE PORT 1. Disconnect purge hoses connected to EVAP service port (A) and EVAP canister purge volume control solenoid valve (B). 2. Blow air into each hose and EVAP purge port (C). 3. Check that air flows freely. YES-1 >> With CONSULT: GO TO 6. YES-2 >> Without CONSULT: GO TO 7. NO >> Repair or clean hoses and/or purge port. 6. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE WITH CONSULT 1. Start engine. 2. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode of “ENGINE” using CONSULT. Check that engine speed varies according to the valve opening. Does engine speed vary according to the valve opening? YES >> GO TO 8. NO >> GO TO 7. Vacuum should not exist. Vacuum should exist. SEF367U SEF368U |