Nissan Qashqai J11. Manual — part 419
ECK-236
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0402 EGR VOLUME CONTROL VALVE
HIGH PRESSURE EGR VOLUME CONTROL VALVE
LOW PRESSURE EGR VOLUME CONTROL VALVE
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
DTC CONFIRMATION PROCEDURE
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
Is the DTC P0402 displayed again?
YES
>> GO TO 6.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
6.
CHECK LOW PRESSURE EGR VALVE MOTOR AND HIGH PRESSURE EGR VALVE MOTOR
ECK-239, "Component Inspection (EGR Volume Control Valve Motor)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace error-detected parts.
Component Inspection (EGR Volume Control Valve Motor)
INFOID:0000000010289823
1.
CHECK LOW PRESSURE EGR VALVE MOTOR AND HIGH PRESSURE EGR VALVE MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect low pressure EGR valve and high pressure EGR valve harness connector.
3.
Check resistance between low pressure EGR valve terminals and high pressure EGR valve terminals as
follows.
HIGH PRESSURE EGR VOLUME CONTROL VALVE
LOW PRESSURE EGR VOLUME CONTROL VALVE
Is the inspection result normal?
+
-
Continuity
ECM
High pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F81
147
F60
2
Existed
148
5
+
-
Continuity
ECM
Low pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F81
151
F34
6
Existed
152
5
High pressure EGR volume
control valve
Condition
Resistance (Approx.)
+
-
Terminal
2
5
Temperature
°
C (
°
F)
23 (73)
2.4
Ω
Low pressure EGR volume
control valve
Condition
Resistance (Approx.)
+
-
Terminal
5
6
Temperature
°
C (
°
F)
20 (68)
1.69
Ω
P0402 EGR VOLUME CONTROL VALVE
ECK-237
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
YES
>> INSPECTION END
NO
>> Replace low pressure EGR valve or high pressure EGR valve.
ECK-238
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0403 EGR VOLUME CONTROL VALVE
P0403 EGR VOLUME CONTROL VALVE
DTC Logic
INFOID:0000000010289824
DTC DETECTION LOGIC
NOTE:
If DTC P0380 is displayed with DTC P0641, first perform the trouble diagnosis for DTC P0641 Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 1 minute before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 1 second.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECK-238, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010289825
1.
CHECK EGR VOLUME CONTROL VALVE
Visually check EGR volume control valve for chipping.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK EGR VOLUME CONTROL VALVE HARNESS CONNECTOR CONNECTIONS
Check EGR volume control valve harness connector connection.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK EGR VOLUME CONTROL VALVE CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check EGR volume control valve circuit for open and short.
DTC No.
CONSULT screen terms
(Trouble diagnosis con-
tent)
DTC detecting condition
Possible cause
P0403
EGR VLV CMD CIRC
(Exhaust gas recircula-
tion “A” control circuit)
• 1.DEF: —
• 2.DEF: OPERATION
TEMPERATURE TOO
HIGH
ECM detects EGR valve error.
• Harness or connectors
(EGR valve command circuit is open
or shorted.)
• Low pressure EGR valve
• High pressure EGR valve
• ECM
P0403 EGR VOLUME CONTROL VALVE
ECK-239
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
HIGH PRESSURE EGR VOLUME CONTROL VALVE
LOW PRESSURE EGR VOLUME CONTROL VALVE
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
DTC CONFIRMATION PROCEDURE
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
Is the DTC P0403 displayed again?
YES
>> GO TO 6.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
6.
CHECK EGR VOLUME CONTROL VALVE MOTOR
ECK-239, "Component Inspection (EGR Volume Control Valve Motor)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace error-detected parts.
Component Inspection (EGR Volume Control Valve Motor)
INFOID:0000000010289826
1.
CHECK EGR VOLUME CONTROL VALVE MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect EGR volume control valve harness connector.
3.
Check resistance between EGR volume control valve terminals as follows.
HIGH PRESSURE EGR VOLUME CONTROL VALVE
LOW PRESSURE EGR VOLUME CONTROL VALVE
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace EGR volume control valve.
+
-
Continuity
ECM
High pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F81
147
F60
2
Existed
148
5
+
-
Continuity
ECM
Low pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F81
151
F34
6
Existed
152
5
EGR volume control valve
Resistance (Approx.)
+
-
Terminal
2
5
2.4
Ω
EGR volume control valve
Resistance (Approx.)
+
-
Terminal
5
6
1.69
Ω
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