Nissan Qashqai J11. Manual — part 418
ECK-232
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0340 CMP SENSOR
NO
>> Repair or replace error-detected parts.
4.
CHECK CMP SENSOR-2
ECK-232, "Component Inspection (Camshaft Position Sensor)"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace error-detected parts.
Component Inspection (Camshaft Position Sensor)
INFOID:0000000010289817
1.
CHECK CAMSHAFT POSITION (CMP) SENSOR
1.
Disconnect CMP sensor harness connector.
2.
Check the resistance between CMP sensor terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace CMP sensor.
CMP sensor
Resistance
+
-
Terminal
3
2
More than 100 k
Ω
P0380 GLOW CONTROL SYSTEM
ECK-233
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
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J
K
L
M
A
ECK
N
P
O
P0380 GLOW CONTROL SYSTEM
DTC Logic
INFOID:0000000010289818
DTC DETECTION LOGIC
NOTE:
If DTC P0380 is displayed with DTC P0560 and P0657, perform the trouble diagnosis for DTC P0560
and P0657. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 4 minutes before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON and wait at least 3 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECK-233, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010289819
1.
CHECK GLOW PLUG CONTROL UNIT POWER SUPPLY CIRCUIT
Check the power supply of the glow plug control unit.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Perform trouble diagnosis for power supply circuit.
2.
CHECK GLOW PLUG CONTROL UNIT CIRCUIT FOR OPEN AND SHORT-1
1.
Turn ignition switch OFF.
2.
Check the continuity between glow plug control unit harness connector and ECM harness connector.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0380
PREHEATING UNIT DIAG
CONN
(Glow plug/heater circuit “A”)
• 1.DEF: FAULT ALERTED VIA
THE CONTROL UNIT
• 2.DEF: OPERATION TEM-
PERATURE TOO HIGH
• CO: OPEN CIRCUIT
• CC.0: SHORT CIRCUIT TO
EARTH
• CC.1: SHORT-CIRCUIT TO
+12V
• ECM detects glow plug control unit er-
ror.
• ECM detects glow plug control circuit is
open for 3 seconds or more.
• ECM detects glow plug circuit is short to
ground for 3 seconds or more.
• ECM detects glow plug circuit is short to
power for 3 seconds or more.
• Harness or connectors
(Glow plug control circuit is open or
shorted.)
(Glow control unit input signal circuit is
open or shorted.)
• Glow plug
• Glow control unit
+
-
Voltage
Glow plug control unit
Connector
Terminal
F22
4
Ground
Battery voltage
ECK-234
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P0380 GLOW CONTROL SYSTEM
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK GLOW PLUG CONTROL UNIT CIRCUIT FOR OPEN AND SHORT-2
Check the continuity between glow plug control unit harness connector and glow plug harness connector.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK GLOW PLUG
ECK-234, "Component Inspection (Glow Plug)"
.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Replace error-detected parts.
5.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace glow relay.
NO
>> Repair or replace.
Component Inspection (Glow Plug)
INFOID:0000000010289820
1.
CHECK GLOW PLUG
1.
Disconnect glow plug harness connector.
2.
Check resistance between glow plug terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace malfunctioning glow plug.
+
-
Continuity
ECM
Glow plug control unit
Connector
Terminal
Connector
Terminal
F80
56
F22
8
Existed
F81
109
3
+
-
Continuity
Glow plug control unit
Glow plug
Connector
Terminal
Connector
Terminal
F22
2
F129
1
Existed
7
F130
1
1
F131
1
6
F132
1
+
-
Resistance
Glow plug
Terminal
1
Ground
0.4
Ω
[at 20
°
C (68
°
F)]
P0402 EGR VOLUME CONTROL VALVE
ECK-235
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
E
F
G
H
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J
K
L
M
A
ECK
N
P
O
P0402 EGR VOLUME CONTROL VALVE
DTC Logic
INFOID:0000000010289821
DTC DETECTION LOGIC
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.
Start engine.
2.
Maintain the following conditions for at least 10 consecutive seconds. Hold the steady as possible.
3.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECK-235, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010289822
1.
CHECK LOW PRESSURE EGR VALVE AND HIGH PRESSURE EGR VALVE
Visually check low pressure EGR valve and high pressure EGR 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 LOW PRESSURE EGR VALVE AND HIGH PRESSURE EGR VALVE HARNESS CONNECTOR
CONNECTIONS
Check low pressure EGR valve and high pressure EGR valve harness connector connection.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK LOW PRESSURE EGR VALVE AND HIGH PRESSURE EGR VALVE CIRCUIT FOR OPEN AND
SHORT
1.
Turn ignition switch OFF.
2.
Check low pressure EGR valve and high pressure EGR valve circuit for open and short.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0402
EGR VALVE JAMMED OPEN
(Exhaust gas recirculation “A”
flow excessive detected)
• 1.DEF: MECHANICAL
FAULT
ECM detects an incorrect closed position of EGR
valve.
• Harness or connectors
• Low pressure EGR valve
• High pressure EGR valve
• ECM
ENGINE SPEED
3,500 rpm
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