DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
| P0444 | PURG VOLUME CONT/V (Evaporative emission system purge control valve circuit open) | An excessively low voltage signal is sent to ECM through the EVAP canister purge volume control solenoid valve. |
| P0445 | PURG VOLUME CONT/V (Evaporative emission system purge control valve circuit shorted) | An excessively high voltage signal is sent to ECM through the valve |
POSSIBLE CAUSE
DTC P0444
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.CONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
TESTING CONDITION: Before performing the following procedure, confirm battery voltage is more than 11 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
Is 1st trip DTC detected? YES >> Proceed to EC-316, "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-1 >> With CONSULT: GO TO 4.
YES-2 >> Without CONSULT: GO TO 5.
NO >> Repair or replace error-detected parts.
4.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
With CONSULT
Does engine speed vary according to the valve opening? YES >> GO TO 6.
NO >> GO TO 5.
5.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Check the EVAP canister purge volume control solenoid valve. Refer to EC-315, "Component Inspection".
Is the inspection result normal? YES >> GO TO 6.
NO >> Replace EVAP canister purge volume control solenoid valve. Refer to EC-14, "Component Parts Location".
6.CHECK INTERMITTENT INCIDENT
Refer to GI-41, "Intermittent Incident".
>> INSPECTION END
Component Inspection
1.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
With CONSULT


Without CONSULT


Is the inspection result normal? YES >> INSPECTION END
NO >> Replace EVAP canister purge volume control solenoid valve. Refer to EC-14, "Component Parts Location".
P0443 EVAP canister purge volume control solenoid valve
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Exploded View
Front passenger air bag module
Steering member
Removal and Installation
WARNING:
Before servicing the SRS, turn ignition switch OFF, disconnect
both battery terminals then wait at
least three minutes.
Always work from the side of air bag module. Do ...
U0101 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each co ...
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
—
(J-46532)
Brake height tool
Measuring brake pedal height
38-PFM92
( — )
ProCut™ PFM Serie ...