Nissan Versa Sedan. Instruction — part 324
P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
EC-295
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
>> Repair open circuit or short to ground or short to power in harness or connectors.
3.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT
FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EVAP canister purge volume control solenoid valve harness connector and
ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES-1 >> With CONSULT: GO TO 4.
YES-2 >> Without CONSULT: GO TO 5.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
With CONSULT
1. Reconnect all harness connectors disconnected.
2. Start engine.
3. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode with CONSULT. Check that engine speed varies
according to the valve opening.
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
EC-295, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace EVAP canister purge volume control solenoid valve. Refer to
6.
CHECK INTERMITTENT INCIDENT
GI-45, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000009620489
1.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
With CONSULT
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Disconnect EVAP purge hoses connected to EVAP canister purge volume control solenoid valve.
4. Turn ignition switch ON.
5. Select “PURG VOL CONT/V” in “ACTIVE TEST” mode of “ENGINE” using CONSULT.
EVAP canister purge volume
control solenoid valve
ECM
Continuity
Connector
Terminal
Connector
Terminal
F22
2
F10
9
Existed
EC-296
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
6. 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 follow-
ing conditions.
Without CONSULT
1. Turn ignition switch OFF.
2. Disconnect EVAP canister purge volume control solenoid valve harness connector.
3. Disconnect EVAP purge hoses connected to EVAP canister purge volume control solenoid valve.
4. Check air passage continuity of EVAP canister purge volume control solenoid valve as per the following
conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace EVAP canister purge volume control solenoid valve. Refer to
Condition
(PURG VOL C/V value)
Air passage continuity
between (A) and (B)
100%
Existed
0%
Not existed
PBIA9668J
Condition
Air passage continuity
between (A) and (B)
12 V direct current supply between
terminals 1 and 2
Existed
No supply
Not existed
P0447 EVAP CANISTER VENT CONTROL VALVE
EC-297
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P0447 EVAP CANISTER VENT CONTROL VALVE
DTC Logic
INFOID:0000000009267178
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting 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:
Before performing the following procedure, confirm battery voltage is more than 11 V at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and wait at least 8 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009267179
1.
INSPECTION START
Do you have CONSULT?
Do you have CONSULT?
YES
>> GO TO 2.
NO
>> GO TO 3.
2.
CHECK EVAP CANISTER VENT CONTROL VALVE CIRCUIT
With CONSULT
1. Turn ignition switch OFF and then turn ON.
2. Select “VENT CONTROL/V” in “ACTIVE TEST” mode of “ENGINE” using CONSULT.
3. Touch “ON/OFF” on CONSULT screen.
4. Check for operating sound of the valve.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 3.
3.
CHECK EVAP CANISTER VENT CONTROL VALVE POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect EVAP canister vent control valve harness connector.
3. Turn ignition switch ON.
DTC No.
Trouble diagnosis name
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0447
VENT CONTROL VALVE
(EVAP canister vent control
valve circuit open)
An improper voltage signal is sent to ECM
through EVAP canister vent control valve.
• Harness or connectors
(EVAP canister vent control valve circuit is
open or shorted.)
• EVAP canister vent control valve
Clicking sound should be heard.
EC-298
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P0447 EVAP CANISTER VENT CONTROL VALVE
4. Check the voltage between EVAP canister vent control valve harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> GO TO 4.
4.
CHECK EVAP CANISTER VENT CONTROL VALVE POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between EVAP canister vent control valve harness connector and IPDM E/R harness
connector.
4. Also check harness for short to ground.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for power supply circuit.
NO
>> Repair or replace error-detected parts.
5.
CHECK EVAP CANISTER VENT CONTROL VALVE OUTPUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between EVAP canister vent control valve harness connector and ECM harness con-
nector.
4. Also check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
CHECK RUBBER TUBE FOR CLOGGING
1. Disconnect rubber tube connected to EVAP canister vent control valve.
2. Check the rubber tube for clogging.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Clean the rubber tube using an air blower.
7.
CHECK EVAP CANISTER VENT CONTROL VALVE
Check the EVAP canister vent control valve. Refer to
EC-298, "Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-45, "Intermittent Incident"
.
NO
>> Replace EVAP canister vent control valve. Refer to
FL-15, "Removal and Installation"
Component Inspection
INFOID:0000000009267180
1.
CHECK EVAP CANISTER VENT CONTROL VALVE-I
1. Turn ignition switch OFF.
EVAP canister vent control valve
Ground
Voltage
Connector
Terminal
B5
1
Ground
Battery voltage
EVAP canister vent control valve
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
B5
1
F42
39
Existed
EVAP canister vent control valve
ECM
Continuity
Connector
Terminal
Connector
Terminal
B5
2
F10
26
Existed
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