2014 NISSAN TEANA Service Manual

odometer height rear view mirror flat tire seat adjustment trunk

Page 1737 of 4801

NISSAN TEANA 2014 Service Manual
P0111 IAT SENSOREC-737
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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5. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-737, "Diagnosis Procedure".
NO >> IN

Page 1738 of 4801

NISSAN TEANA 2014 Service Manual
EC-738
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0112, P0113 IAT SENSOR
P0112, P0113 IAT SENSOR
DTC LogicINFOID:0000000009462602
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Conf

EC-738
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0112, P0113 IAT SENSOR
P0112, P0113 IAT SENSOR
DTC LogicINFOID:0000000009462602
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait at least 5 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-738, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462603
1.CHECK INTAKE AIR TEMPERAT URE SENSOR POWER SUPPLY
1. Disconnect mass air flow sensor (with intake air temperature sensor) harness connector.
2. Turn ignition switch ON.
3. Check the voltage between mass air flow sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
2.CHECK INTAKE AIR TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between mass air flow sensor harness connector and ECM harness connector.
DTC No. Trouble diagnosis
name DTC detecting condition Possible cause
P0112 Intake air tempera-
ture sensor circuit
low input An excessively low voltage from the sensor is
sent to ECM. • Harness or connectors
(The sensor circuit is open or shorted.)
• Intake air temperature sensor
P0113 Intake air tempera-
ture sensor circuit
high input An excessively high voltage from the sensor is
sent to ECM.
MAF sensor Ground Voltage
Connector Terminal
F93 5 Ground Approx. 5 V
MAF sensor ECM Continuity
Connector Terminal Connector Terminal
F936F7980Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1739 of 4801

NISSAN TEANA 2014 Service Manual
P0112, P0113 IAT SENSOREC-739
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >

Page 1740 of 4801

NISSAN TEANA 2014 Service Manual
EC-740
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0116 ECT SENSOR
P0116 ECT SENSOR
DTC LogicINFOID:0000000009462605
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.INSPECTION START
Is it necessary to erase

EC-740
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0116 ECT SENSOR
P0116 ECT SENSOR
DTC LogicINFOID:0000000009462605
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.INSPECTION START
Is it necessary to erase permanent DTC?
YES >> GO TO 3.
NO >> GO TO 2.
2.PERFORM COMPONENT FUNCTION CHECK
Perform component function check. Refer to EC-741, "Component Function Check"
.
NOTE:
Use the component function check to check the overall func tion of the ECT sensor circuit. During this check, a
1st trip DTC might not be confirmed.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-741, "Diagnosis Procedure"
.
3.PRECONDITIONING
If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following proce-
dure before conducting the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
• Before performing the following procedure, do not add fuel.
• Before performing the followin g procedure, check that fuel level is between 1/4 and 4/4.
• Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.
>> GO TO 4.
4.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for 60 minutes.
2. Move the vehicle to a cool place.
NOTE:
Cool the vehicle in an environment of ambient air temperature between −10 °C (14 °F) and 35 °C (95 °F).
3. Turn ignition switch OFF and soak the vehicle for 12 hours.
CAUTION:
Never turn ignition s witch ON during soaking.
NOTE:
The vehicle must be cooled with the food open.
4. Start engine and let it idle for 5 minutes or more. CAUTION:
Never turn ignition swit ch OFF during idling.
DTC No.Trouble diagnosis
(Trouble diagnosis content) DTC detecting condition Possible cause
P0116 ECT SEN/CIRC
[Engine coolant temperature
(ECT) sensor circuit range/per-
formance] The comparison result of signals transmitted
to ECM from each temperature sensor (IAT
sensor, ECT sensor, FTT sensor, and EOT
sensor) shows that the voltage signal of the
ECT sensor is higher/lower than that of other
temperature sensors when the engine is
started with its cold state. • Harness or connectors
(High or low resistance in the ECT
sensor circuit)
• ECT sensor
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1741 of 4801

NISSAN TEANA 2014 Service Manual
P0116 ECT SENSOREC-741
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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5. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-741, "Diagnosis Procedure".
NO >> IN

Page 1742 of 4801

NISSAN TEANA 2014 Service Manual
EC-742
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0117, P0118 ECT SENSOR
P0117, P0118 ECT SENSOR
DTC LogicINFOID:0000000009462609
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Conf

Page 1743 of 4801

NISSAN TEANA 2014 Service Manual
P0117, P0118 ECT SENSOREC-743
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit, short to ground or short

Page 1744 of 4801

NISSAN TEANA 2014 Service Manual
EC-744
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0122, P0123 TP SENSOR
P0122, P0123 TP SENSOR
DTC LogicINFOID:0000000009462612
DTC DETECTION LOGIC
NOTE:
If DTC P0122 or P0123 is displayed with DTC P0643,

EC-744
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0122, P0123 TP SENSOR
P0122, P0123 TP SENSOR
DTC LogicINFOID:0000000009462612
DTC DETECTION LOGIC
NOTE:
If DTC P0122 or P0123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to EC-885, "DTC Logic"
.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for 1 second.
2. Check DTC.
Is DTC detected?
YES >> Proceed to EC-744, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462613
1.CHECK THROTTLE POSITION SENSOR 2 POWER SUPPLY
1. Disconnect electric throttle control actuator harness connector.
2. Turn ignition switch ON.
3. Check the voltage between electric throttle control actuator harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
2.CHECK THROTTLE POSITION SENSOR 2 GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between electric throttle control actuator harness connector and ECM harness con-
nector.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0122 Throttle position sensor
2 circuit low input An excessively low voltage from the TP sensor
2 is sent to ECM. • Harness or connectors
(TP sensor 2 circuit is open or shorted.)
• Electric throttle control actuator
(TP sensor 2)
P0123 Throttle position sensor
2 circuit high input An excessively high voltage from the TP sensor
2 is sent to ECM.
Electric throttle control actuator Ground Voltage
Connector Terminal
F57 1 Ground Approx. 5 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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