DTC Logic
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
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 |
|
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-298, "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-1 ( With CONSULT)>>GO TO 4.
YES-2 ( Without CONSULT)>>GO
TO 5.
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 >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
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-300, "Component Inspection (EVAP Canister Purge Volume Control Solenoid Valve)".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Replace EVAP canister purge volume control solenoid valve. Refer to EM-27, "Exploded View".
Component Inspection (EVAP Canister Purge Volume Control Solenoid Valve)
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 EM-27, "Exploded View".
Precaution for supplemental restraint system (srs) "air bag" and "seat belt
pre-tensioner"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
LATCH (Lower Anchors and Tethers for CHildren) System
WARNINGFailure to follow the warnings and
instructions
for proper use and installation of
child restraints could result in serious injury
or death of a child or other passengers
in a sudden stop or collision:
Attach LATCH system compatible
child restraints only at ...
Symptom diagnosis
Push-button ignition switch does not operate
Description
Check that vehicle is under the condition shown in “Conditions of vehicle”
before starting diagnosis, and check
each symptom.
Note:
The engine start function, door lock function, power distribution system,
and nats-ivis/nvis ...