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EC-268 < COMPONENT DIAGNOSIS > [QR25DE] P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE Description INFOID:0000000004211501 The EVAP canister purge volume control solenoid valve uses a ON/ OFF duty to control the flow rate of fuel vapor from the EVAP canis- ter. The EVAP canister purge volume control solenoid valve is moved by ON/OFF pulses from the ECM. The longer the ON pulse, the greater the amount of fuel vapor that will flow through the valve. DTC Logic INFOID:0000000004211502 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct- ing the next test. 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition switch ON. 3. Turn ignition switch OFF and wait at least 10 seconds. TESTING CONDITION: Always perform test at a temperature of 5 °C (41°F) or more. Do you have CONSULT-III YES >> GO TO 2. NO >> GO TO 3. 2. PERFORM DTC CONFIRMATION PROCEDURE With CONSULT-III 1. Activate “INSPECTION MODE 1” ( ) to start engine, and warm up engine to normal operating temperature. 2. Turn ignition switch OFF and wait at least 10 seconds. 3. Turn ignition switch ON. 4. Turn ignition switch OFF and wait at least 10 seconds. 5. Turn ignition switch ON (READY). 6. Depress the accelerator pedal to start engine, then keep engine running for at least 10 seconds. 7. Select “PURG VOL CN/V P1444” of “EVAPORATIVE SYSTEM” in “DTC WORK SUPPORT” mode with CONSULT-III. 8. Check that “COMPLETED” is displayed after touching “START”. If “COMPLETED” is not displayed, retry from step 1. 9. Touch “SELF-DIAG RESULT”. JMBIA0069ZZ DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0443 EVAP canister purge The canister purge flow is detected during the • EVAP control system pressure sensor lenoid valve • EVAP canister vent control valve (Hoses are connected incorrectly or |