Nissan X-Trail 32. Manual — part 969
P0106 TC BOOST SENSOR
EC-1005
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace turbocharger boost sensor.
Turbocharger boost sensor
Resistance
+
-
Terminal
4
1
More than 50 k
Ω
EC-1006
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0110 IAT SENSOR
P0110 IAT SENSOR
DTC Description
INFOID:0000000010935675
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Intake air temperature sensor 1 circuit is open or shorted.)
• Intake air temperature sensor 1
FAIL-SAFE
• Boost pressure limitation
• EGR valve is closed position
• Throttle control motor is opened
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
EC-1006, "Diagnosis Procedure"
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010935676
1.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
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 MASS AIR FLOW SENSOR HARNESS CONNECTOR CONNECTIONS
Check mass air flow sensor (with intake air temperature sensor 1) harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK INTAKE AIR TEMPERATURE SENSOR 1 CIRCUIT FOR OPEN AND SHORT
Check intake air temperature sensor 1 sensor circuit for open and short.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0110
AIR TEMP SEN/CIRC
(Intake air temperature sensor 1 circuit
bank 1)
• 1.DEF: VOLTAGE TOO LOW
• 2.DEF: VOLTAGE TOO HIGH
• An excessively low voltage from Intake air temperature sensor 1 is sent
to ECM for 1 second.
• An excessively high voltage from Intake air temperature sensor 1 is sent
to ECM for 1 second.
P0110 IAT SENSOR
EC-1007
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK INTAKE AIR TEMPERATURE SENSOR 1
EC-1007, "Component Inspection (Intake Air Temperature Sensor 1)"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace error-detected parts.
Component Inspection (Intake Air Temperature Sensor 1)
INFOID:0000000010935677
1.
CHECK INTAKE AIR TEMPERATURE SENSOR 1
1.
Disconnect mass air flow sensor harness connector.
2.
Check resistance between mass air flow sensor terminals under the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace mass air flow sensor (intake air temperature sensor 1).
+
-
Continuity
ECM
Mass air flow sensor
Connector
Terminal
Connector
Terminal
F117
74
F152
1
Existed
82
2
Mass air flow sensor
Condition
Resistance
+
-
Terminal
1
2
Temperature
°
C (
°
F)
20 (68)
2.342 – 2.531 k
Ω
EC-1008
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P0115 ECT SENSOR
P0115 ECT SENSOR
DTC Description
INFOID:0000000010935678
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Engine coolant temperature sensor circuit is open or shorted.)
• Engine coolant temperature sensor
FAIL-SAFE
• Engine cooling fan operates at high speed while engine running when engine stopped and operates at low
speed.
• Engine speed limitation
• EGR valve is closed position
• Throttle control motor is opened
• Prohibit DPF regeneration
• EGR cooling valve activated
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 10 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC-1008, "Diagnosis Procedure"
.
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
.
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010935679
1.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
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 ENGINE COOLANT TEMPERATURE SENSOR HARNESS CONNECTOR CONNECTIONS
Check engine coolant temperature sensor harness connector connection.
Is the inspection result normal?
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P0115
WATER TEMPERATURE SENSOR CIRC
(Engine coolant temperature sensor 1 cir-
cuit)
• 1.DEF: VOLTAGE TOO LOW
• 2.DEF: VOLTAGE TOO HIGH
• 3.DEF: SIGNAL INCOHERENCE
• 4.DEF: IMPROPER SIGNAL SHAPE
• 5.DEF: CIRCUIT QUANTITY NOT
PLAUSIBLE
• An excessively low voltage from Engine Coolant Temperature Sensor is
sent to ECM for 1 second.
• An excessively high voltage from Engine Coolant Temperature Sensor is
sent to ECM for 1 second.
• Engine coolant temperature changes rapidly for 8 seconds.
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