Nissan Qashqai J11. Manual — part 231
ECH-222
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0420 THREE WAY CATALYST FUNCTION
1.
2.
Check the engine flywheel target’s learning.
Is “DONE” displayed on CONSULT screen?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> GO TO 3.
3.
REPLACE HEATED OXYGEN SENSOR 2
Replace heated oxygen sensor 2.
>> INSPECTION END
P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
ECH-223
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
D
E
F
G
H
I
J
K
L
M
A
ECH
N
P
O
P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
DTC Logic
INFOID:0000000010379108
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
Turn ignition switch OFF and wait at least 12 minutes.
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.
Turn ignition switch ON and wait at least 5 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECH-223, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379109
1.
CHECK ECM HARNESS CONNECTOR CONNECTION
1.
Turn ignition switch OFF.
2.
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE HARNESS CONNECTOR
CONNECTION
Check EVAP canister purge volume control solenoid valve harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect EVAP canister purge volume control solenoid valve harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between EVAP canister purge volume control solenoid valve harness connector and
ground.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0443
CANISTER PURGE VALVE
(Evaporative emission system
purge control valve circuit)
• ECM detects the EVAP canister purge volume
control solenoid valve circuit is open.
• ECM detects the EVAP canister purge volume
control solenoid valve circuit is short to ground.
• ECM detects the EVAP canister purge volume
control solenoid valve circuit is short to power.
• Harness or connectors
(EVAP canister purge volume con-
trol solenoid valve circuit is open or
shorted.)
• EVAP canister purge volume control
solenoid valve
ECH-224
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Perform the trouble diagnosis for power supply circuit.
4.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE CIRCUIT
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 to power.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Check EVAP canister purge volume control solenoid valve. Refer to
ECH-224, "Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
Component Inspection
INFOID:0000000010379110
1.
CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
1.
Turn ignition switch OFF.
2.
Disconnect EVAP canister purge volume control solenoid valve harness connector.
3.
Check the resistance between EVAP canister purge volume control solenoid valve terminals as per the
following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace EVAP canister purge volume control solenoid valve.
+
−
Voltage
EVAP canister purge volume control
solenoid valve
Connector
Terminal
F183
1
Ground
Battery voltage
+
−
Continuity
EVAP canister purge vol-
ume control solenoid valve
ECM
Connector
Terminal
Connector
Terminal
F183
2
F17
44
Existed
EVAP canister purge volume
control solenoid valve
Condition
Resistance
+
−
Terminal
1
2
Temperature
23
°
C (73
°
F)
26
±
4
Ω
−
40
°
C (
−
40
°
F)
20
±
3
Ω
P0530 REFRIGERANT PRESSURE SENSOR
ECH-225
< DTC/CIRCUIT DIAGNOSIS >
[HRA2DDT]
C
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ECH
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P
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P0530 REFRIGERANT PRESSURE SENSOR
DTC Logic
INFOID:0000000010379117
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
Turn ignition switch OFF and wait at least 12 minutes.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 5 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECH-225, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010379118
1.
CHECK REFRIGERANT PRESSURE SENSOR INSTALLATION
Check the status of the refrigerant pressure sensor installation and gas leakage.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK ECM HARNESS CONNECTOR CONNECTION
1.
Turn ignition switch OFF.
2.
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK REFRIGERANT PRESSURE SENSOR HARNESS CONNECTOR CONNECTION
Check refrigerant pressure sensor harness connector connection.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY-1
1.
Disconnect refrigerant pressure sensor harness connector.
2.
Turn ignition switch ON.
3.
Check the voltage between refrigerant pressure sensor harness connector terminals.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0530
A/C REFRIGERANT PRES-
SURE SEN A
(A/c refrigerant pressure sen-
sor “A” circuit)
• Refrigerant pressure sensor signal voltage is
more than 4.8 V.
• Refrigerant pressure sensor signal voltage is
0 V.
• More than 4.8 V are input to ground circuit.
• Harness or connectors
(Refrigerant pressure sensor circuit
is open or shorted.)
• Refrigerant pressure sensor
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