Nissan Qashqai J11. Manual — part 439
ECK-316
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P1489 LOW PRESSURE EGR VOLUME CONTROL VALVE UPSTREAM TEM-
PERATURE SENSOR
P1489 LOW PRESSURE EGR VOLUME CONTROL VALVE UPSTREAM
TEMPERATURE SENSOR
DTC Logic
INFOID:0000000010289949
DTC DETECTION LOGIC
NOTE:
If DTC P1489 is displayed with following DTC, first perform the trouble diagnosis for following DTC.
Refer to
• P1480, P1481, P1482, P1483, P1484, P1485, P1486, P1487 and P1488.
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 5 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECK-316, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010508590
1.
CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE
Visually check low pressure EGR volume control valve for chipping.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK DIESEL PARTICULATE FILTER
ECK-359, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace diesel particulate filter.
3.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 4.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1489
LOW PRESSURE EGR
VALVE TEMPERATURE SEN-
SOR
(Low pressure EGR valve tem-
perature sensor)
• 1.DEF: VOLTAGE TOO
LOW
• 2.DEF: VOLTAGE TOO
HIGH
• 3.DEF: OPERATION TEM-
PERATURE TOO HIGH
• ECM detects a short circuit to battery.
• ECM detects a short circuit to ground.
• EGR cooler (low pressure) tempera-
ture is 180
°
C (356
°
F) or more.
• Harness or connectors
(EGR temperature sensor circuit is short-
ed.)
• EGR temperature sensor
P1489 LOW PRESSURE EGR VOLUME CONTROL VALVE UPSTREAM TEM-
PERATURE SENSOR
ECK-317
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
NO
>> Repair or replace error-detected parts.
4.
CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE HARNESS CONNECTOR CONNECTIONS
Check low pressure EGR volume control valve harness connector connection.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check low pressure EGR volume control valve circuit for open and short.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
DTC CONFIRMATION PROCEDURE
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
Is the DTC P1489 displayed again?
YES
>> GO TO 7.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
7.
CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE MOTOR
ECK-317, "Component Inspection (Low Pressure 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 (Low Pressure EGR Volume Control Valve Motor)
INFOID:0000000010508591
1.
CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect low pressure EGR volume control valve harness connector.
3.
Check resistance between low pressure EGR volume control valve terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace low pressure EGR volume control valve.
+
-
Continuity
ECM
Low pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F80
65
F34
1
Existed
66
2
79
3
F81
151
6
152
5
Low pressure EGR volume control valve
Condition
Resistance
+
-
Terminal
5
6
Temperature
°
C (
°
F)
20 (68)
1.69
Ω
ECK-318
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P1503 ACTIVE GRILLE SHUTTER
P1503 ACTIVE GRILLE SHUTTER
DTC Logic
INFOID:0000000010434271
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been preciously 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
1.
Turn ignition switch ON and wait at least 5 seconds.
2.
Check DTC.
Is the DTC detected?
YES
>> Proceed to
ECK-318, "Diagnosis Procedure"
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE-2
1.
Start the engine and wait at least 60 seconds.
2.
Check DTC.
Is the DTC detected?
YES
>> Proceed to
ECK-318, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010513119
1.
CHECK DTC OF IPDM E/R
Check DTC of IPDM E/R.
Is any DTC detected?
YES
>> Perform trouble diagnosis for the detected DTC. Refer to
.
NO
>> GO TO 2.
2.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
Check ECM harness connector and active grille shutter harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK ACTIVE GRILLE SHUTTER
1.
Check if any foreign objects interferes with active grille shutter.
2.
Check the installation condition of active grille shutter.
Is the inspection result normal?
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1503
AIR VENT CONTROL
(Air vent control)
• LIN communication error with active grille shutter
• Detects the malfunction of initial position learning
or operational malfunctions for specified times.
• Detects the temperature of active grille shutter ac-
tuator is more than 155
°
C (311
°
F) for more than 5
seconds for accumulation.
• Detects the temperature of active grille shutter ac-
tuator is more than 155
°
C (311
°
F) for more than
specified times.
• Harness or connectors
• Active grille shutter actuator
P1503 ACTIVE GRILLE SHUTTER
ECK-319
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
ECK
N
P
O
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK FUSE
Check #51 fuse is not fusing.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace the fuse after repairing the applicable circuit.
5.
CHECK ACTIVE GRILLE SHUTTER POWER SUPPLY
1.
Turn ignition switch OFF.
2.
Disconnect active grille shutter harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between active grille shutter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 6.
6.
CHECK ACTIVE GRILLE SHUTTER POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect IPDM E/R harness connector.
3.
Check the continuity between active grille shutter harness connector and IPDM E/R harness connector.
4.
Also check harness for short to ground.
Is the inspection result normal?
YES
>> Check IPDM E/R.
NO
>> Repair or replace error-detected parts.
7.
CHECK ACTIVE GRILLE SHUTTER GROUND CIRCUIT
Check the continuity between active grille shutter harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace error-detected parts.
8.
CHECK LIN COMMUNICATION CIRCUIT
1.
Disconnect harness connectors the following items.
-
ECM
-
Alternator
-
DC/DC converter
2.
Check the continuity between active grille shutter harness connector and ECM harness connector.
+
−
Voltage
Active grille shutter
Connector
Terminal
E115
1
Ground
Battery voltage
+
−
Continuity
Active grille shutter
IPDM E/R
Connector
Terminal
Connector
Terminal
E115
1
E37
8
Existed
+
−
Continuity
Active grille shutter
Connector
Terminal
E115
4
Ground
Existed
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