Nissan Juke F15. Instruction — part 540
P0441 EVAP CONTROL SYSTEM
EC-973
< DTC/CIRCUIT DIAGNOSIS >
[MR EXCEPT FOR NISMO RS MODELS]
C
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Component Function Check
INFOID:0000000012198471
1.
PERFORM COMPONENT FUNCTION CHECK
Without CONSULT
1. Lift up drive wheels.
2. Start engine (VDC switch OFF) and warm it up to normal operating temperature.
3. Turn ignition switch OFF, wait at least 10 seconds.
4. Turn ignition switch ON.
5. Turn ignition switch OFF, wait at least 10 seconds.
6. Start engine and wait at least 70 seconds.
7. Set voltmeter probes to ECM harness connector terminals under the following conditions.
8. Check EVAP control system pressure sensor value at idle speed and note it.
9. Establish and maintain the following conditions for at least 1 minute.
10. Verify that EVAP control system pressure sensor value stays 0.1 V less than the value at idle speed (mea-
sured at step 6) for at least 1 second.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Proceed to
.
Diagnosis Procedure
INFOID:0000000012198472
1.
CHECK EVAP CANISTER
1. Turn ignition switch OFF.
2. Check EVAP canister for cracks.
Is the inspection result normal?
YES-1 >> With CONSULT: GO TO 2.
YES-2 >> Without CONSULT: GO TO 3.
NO
>> Replace EVAP canister. Refer to
FL-27, "2WD : Removal and Installation"
"AWD : Removal and Installation"
(AWD models).
2.
CHECK PURGE FLOW
With CONSULT
1. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP ser-
vice port and install vacuum gauge. For the location of EVAP service port, refer to
TIVE EMISSION SYSTEM : System Description"
2. Start engine and let it idle.
3. Select “PURG VOL CONT/V” in “ACTIVE TEST” mode with CONSULT.
4. Touch “Qd” and “Qu” on CONSULT screen to adjust “PURG VOL CONT/V” opening and check vacuum
existence.
ECM
Connector
+
–
Terminal
E19
121
148
Air conditioner switch
ON
Head lamp switch
ON
Rear window defogger switch
ON
Engine speed
Approx. 3,000 rpm
Gear position
Any position other than P, N or R
EC-974
< DTC/CIRCUIT DIAGNOSIS >
[MR EXCEPT FOR NISMO RS MODELS]
P0441 EVAP CONTROL SYSTEM
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 4.
3.
CHECK PURGE FLOW
Without CONSULT
1. Start engine and warm it up to normal operating temperature.
2. Stop engine.
3. Disconnect vacuum hose connected to EVAP canister purge volume control solenoid valve at EVAP ser-
vice port and install vacuum gauge. For the location of EVAP service port, refer to
TIVE EMISSION SYSTEM : System Description"
4. Start engine and let it idle.
Do not depress accelerator pedal even slightly.
5. Check vacuum gauge indication before 60 seconds pass after starting engine.
6. Rev engine up to 2,000 rpm after 100 seconds pass after starting engine.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 4.
4.
CHECK EVAP PURGE LINE
1. Turn ignition switch OFF.
2. Check EVAP purge line for improper connection or disconnection.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair EVAP purge line.
5.
CHECK EVAP PURGE HOSE AND PURGE PORT
1. Disconnect purge hoses connected to EVAP service port A and
EVAP canister purge volume control solenoid valve B.
2. Blow air into each hose and EVAP purge port C.
PURG VOL CONT/V
Vacuum
100%
Existed
0%
Not existed
Vacuum should not exist.
Vacuum should exist.
SEF367U
P0441 EVAP CONTROL SYSTEM
EC-975
< DTC/CIRCUIT DIAGNOSIS >
[MR EXCEPT FOR NISMO RS MODELS]
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3. Check that air flows freely.
Is the inspection result normal?
YES-1 >> With CONSULT: GO TO 6.
YES-2 >> Without CONSULT: GO TO 7.
NO
>> Repair or clean hoses and/or purge port.
6.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
With CONSULT
1. Start engine.
2. Perform “PURG VOL C/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 8.
NO
>> GO TO 7.
7.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Check EVAP canister purge volume control solenoid valve. Refer to
EC-980, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Replace EVAP canister purge volume control solenoid valve. Refer to
TROL SYSTEM : Component Parts Location"
.
8.
CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR CONNECTOR
1. Disconnect EVAP control system pressure sensor harness connector.
2. Check that water is not inside connectors.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace EVAP control system pressure sensor. Refer to
FL-27, "2WD : Removal and Installation"
FL-30, "AWD : Removal and Installation"
(AWD models).
9.
CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR FUNCTION
Check EVAP control system pressure sensor function. Refer to
for DTC P0452,
for DTC P0453.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Replace EVAP control system pressure sensor. Refer to
FL-27, "2WD : Removal and Installation"
FL-30, "AWD : Removal and Installation"
(AWD models).
10.
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 11.
NO
>> Clean the rubber tube using an air blower.
11.
CHECK EVAP CANISTER VENT CONTROL VALVE
Check EVAP canister vent control valve. Refer to
EC-986, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 12.
NO
>> Replace EVAP canister vent control valve. Refer to
FL-27, "2WD : Removal and Installation"
FL-30, "AWD : Removal and Installation"
(AWD models).
SEF368U
EC-976
< DTC/CIRCUIT DIAGNOSIS >
[MR EXCEPT FOR NISMO RS MODELS]
P0441 EVAP CONTROL SYSTEM
12.
CHECK EVAP PURGE LINE
Inspect EVAP purge line (pipe and rubber tube). Check for evidence of leakage.
EC-650, "EVAPORATIVE EMISSION SYSTEM : System Description"
.
Is the inspection result normal?
YES
>> GO TO 13.
NO
>> Repair EVAP purge line.
13.
CLEAN EVAP PURGE LINE
Clean EVAP purge line (pipe and rubber tube) using air blower.
>> Check intermittent incident. Refer to
GI-45, "Intermittent Incident"
.
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