DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause | |
P0443 | PURG VOLUME CONT/V (Evaporative emission system purge control valve circuit) | A | The canister purge flow is detected during the vehicle is stopped while the engine is running, even when EVAP canister purge volume control solenoid valve is completely closed. |
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B | The canister purge flow is detected during the specified driving conditions, even when EVAP canister purge volume control solenoid valve is completely closed. |
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION:
Do you have CONSULT YES >> GO TO 2.
NO >> GO TO 4.
2.PERFORM DTC CONFIRMATION PROCEDURE A
With CONSULT
FUEL T/TMP SE: 0 - 35В°C (32 - 95В°F)
Is 1st trip DTC detected? YES >> Proceed to EC-294, "Diagnosis Procedure".
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE B
With CONSULT
Which is displayed on CONSULT? OK >> INSPECTION END
NG >> Proceed to EC-294, "Diagnosis Procedure".
4.PERFORM DTC CONFIRMATION PROCEDURE A
With GST
Is 1st trip DTC detected? YES >> Proceed to EC-294, "Diagnosis Procedure".
NO >> GO TO 5.
5.PERFORM DTC CONFIRMATION PROCEDURE
With GST
Is 1st trip DTC detected? YES >> Proceed to EC-294, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE POWER SUPPLY
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR
Water should not exist.
Is the inspection result normal? YES >> GO TO 5.
NO >> Replace EVAP control system pressure sensor. Refer to FL-15, "Removal and Installation".
5.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Check the EVAP control system pressure sensor. Refer to EC-296, "Component Inspection".
Is the inspection result normal? YES-1 >> With CONSULT: GO TO 6.
YES-2 >> Without CONSULT: GO TO 7.
NO >> Replace EVAP control system pressure sensor. Refer to FL-15, "Removal and Installation".
6.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
With CONSULT
Is the inspection result normal? YES >> GO TO 8.
NO >> GO TO 7.
7.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Check the EVAP canister purge volume control solenoid valve. Refer to EC-296, "Component Inspection".
Is the inspection result normal? YES >> GO TO 8.
NO >> Replace EVAP canister purge volume control solenoid valve. Refer to EM-27, "Exploded View".
8.CHECK RUBBER TUBE FOR CLOGGING
Is the inspection result normal? YES >> GO TO 9.
NO >> Clean the rubber tube using an air blower.
9.CHECK EVAP CANISTER VENT CONTROL VALVE
Check the EVAP canister vent control valve. Refer to EC-303, "Component Inspection".
Is the inspection result normal? YES >> GO TO 10.
NO >> Replace EVAP canister vent control valve. Refer to FL-15, "Removal and Installation".
10.CHECK IF EVAP CANISTER IS SATURATED WITH WATER
Does water drain from the EVAP canister? YES >> GO TO 11.
NO >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
11.CHECK EVAP CANISTER
Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sensor attached.
The weight should be less than 2.1 kg (4.6 lb).
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> GO TO 12.
12.DETECT MALFUNCTIONING PART
Check the following.
>> Repair hose or replace EVAP canister. Refer to FL-15, "Removal and Installation".
Component Inspection
1.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
With CONSULT
Touch “Qd” and “Qu” on CONSULT screen to adjust “PURG VOL C/V” opening and check air passage continuity of EVAP canister purge volume control solenoid valve as per the following conditions.
Without CONSULT
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace EVAP canister purge volume control solenoid valve. Refer to EM-27, "Exploded View".
Description
NOTICE:
Trouble diagnoses indicate work procedures required to diagnose problems
effectively. Observe the following
instructions before diagnosing.
Before performing trouble diagnoses, read the “Work Flow” in each
section.
After repairs, re-check that the problem has been comp ...
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System Inspection
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Wrap a thick cloth around the cap. Slowly push down and turn it
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