2014 NISSAN TEANA heating

P1217 ENGINE OVER TEMPERATUREEC-425
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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>> Repair or replace malfunctioning part.
4.CHECK RADIATOR CAP
Check radiator cap. Refer to CO-11, "System Inspection"
.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace radiator cap. Refer to CO-16, "Exploded View"
.
5.CHECK THERMOSTAT
Check thermostat. Refer to CO-22, "Removal and Installation"
.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Replace thermostat. Refer to CO-22, "Removal and Installation"
.
6.CHECK ENGINE COOLANT TEMPERATURE SENSOR
Refer to EC-244, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace engine coolant temperature sensor. Refer to CO-24, "Exploded View"
.
7.OVERHEATING CAUSE ANALYSIS
If the cause cannot be isolated, check the CO-9, "Troubleshooting Chart"
.
>> INSPECTION END
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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 >> INSPECTION END
Component Function CheckINFOID:0000000009462606
1.CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR
1. Turn ignition switch OFF.
2. Disconnect ECT sensor harness connector.
3. Remove ECT sensor. Refer to CO-51, "Removal and Installation"
.
4. Check resistance between ECT sensor terminals by heating
with hot water as shown in the figure.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent
Incident".
NO >> Proceed to EC-741, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009462607
1.CHECK ENGINE COOLANT TEMPERATURE (ECT) SENSOR
Check ECT sensor. Refer to EC-741, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace ECT sensor. Refer to CO-51, "Removal and Installation"
.
Component InspectionINFOID:0000000009462608
1.CHECK ENGINE COOLANT TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect engine coolant temperature sensor harness connector.
3. Remove engine coolant temperature sensor. Refer to CO-51, "Removal and Installation"
.
4. Check resistance between engine coolant temperature sensor terminals as per the following.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace engine coolant temperature sensor. Refer to CO-51, "Removal and Installation"
.
Terminals Condition Resistance (k Ω)
1 and 2 Temperature [ °C ( °F)] 20 (68) 2.37 – 2.63
50 (122) 0.68 – 1.00
90 (194) 0.236 – 0.260
JMBIA0080ZZ
ECT sensor ConditionResistance
(kΩ)
+
−
Te r m i n a l
1 2 Temperature [ °C ( °F)] 20 (68) 2.37 - 2.63
50 (122) 0.68 - 1.00
90 (194) 0.236 - 0.260
JMBIA0080ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P0181 FTT SENSOREC-797
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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4. Check resistance between fuel level sensor unit and fuel pump
terminals by heating with hot water as shown in the figure.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Proceed to EC-797, "Diagnosis Procedure"
.
2.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to GI-43, "Intermittent Incident"
.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-797, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009462651
1.INSPECTION START
Confirm the detected malfunction (A or B). Refer to EC-795, "DTC Logic"
.
Which malfunction is detected?
A >> GO TO 2.
B >> GO TO 5.
2.CHECK FUEL TANK TEMPERAT URE SENSOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect fuel level sensor unit and fuel pump harness connector.
3. Turn ignition switch ON.
4. Check the voltage between fuel level sens or unit and fuel pump harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK FUEL TANK TEMPERATURE SENSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between fuel tank temper ature sensor harness connector and ECM harness connec-
tor.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
4.CHECK FUEL TANK TEMPERATURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
Terminals Condition Resistance (k Ω)
1 and 3 Temperature [ °C ( °F)] 20 (68) 2.3 – 2.7
50 (122) 0.79 – 0.90
JMBIA0167ZZ
Fuel level sensor unit and fuel pump Ground Voltage
Connector Terminal
B42 3 Ground Approx. 5 V
Fuel level sensor unit and fuel pump ECM
Continuity
Connector Terminal Connector Terminal
B42 3 E32 111 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-798
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0181 FTT SENSOR
3. Check the continuity between fuel level sens
or unit and fuel pump harness connector and ECM harness
connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit, short to ground or short to power in harness or connector.
5.CHECK FUEL TANK TEMPERATURE SENSOR
Check fuel tank temperature sensor. Refer to EC-798, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace fuel level sensor unit and fuel pump. Refer to FL-6, "Removal and Installation"
.
Component InspectionINFOID:0000000009462652
1.CHECK FUEL TANK TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Remove fuel level sensor unit. Refer to FL-6, "Removal and Installation"
.
3. Check resistance between “fuel level sensor unit and fuel pump”
terminals by heating with hot water as shown in the figure.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace fuel level sensor unit and fuel pump. Refer to FL-6, "Removal and Installation"
.
Fuel level sensor unit and fuel pump ECM
Continuity
Connector Terminal Connector Terminal
B42 1 E32 120 Existed
Fuel tank temperature sensor Condition Resistance (k Ω)
+ −
Te r m i n a l s
3 1 Temperature [ °C ( °F)] 20 (68) 2.3 - 2.7 k
Ω
50 (122) 0.79 - 0.90 k Ω
JMBIA0167ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-800
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0182, P0183
FTT SENSOR
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK FUEL TANK TEMPERATURE SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between “fuel level sensor unit and fuel pump” harness connector and ECM harness
connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK FUEL TANK TEMPERATURE SENSOR
Check fuel tank temperature sensor. Refer to EC-800, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace “fuel level sensor unit and fuel pump”. Refer to FL-6, "Removal and Installation"
.
Component InspectionINFOID:0000000009956654
1.CHECK FUEL TANK TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Remove fuel level sensor unit. Refer to FL-6, "Removal and Installation"
.
3. Check resistance between “fuel level sensor unit and fuel pump”
terminals by heating with hot water as shown in the figure.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace fuel level sensor unit and fuel pump. Refer to FL-6, "Removal and Installation"
.
Fuel level sensor unit and fuel pump ECM
Continuity
Connector Terminal Connector Terminal
B42 1 E32 120 Existed
Fuel tank temperature sensor Condition Resistance (k Ω)
+ −
Te r m i n a l s
3 1 Temperature [ °C ( °F)] 20 (68) 2.3 - 2.7 k
Ω
50 (122) 0.79 - 0.90 k Ω
JMBIA0167ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P0196 EOT SENSOREC-803
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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4. Start engine and let it idle for 5 minutes or more.
CAUTION:
Never turn ignition swit ch OFF during idling.
5. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-803, "Diagnosis Procedure".
NO >> INSPECTION END
Component Function CheckINFOID:0000000009462657
1.CHECK ENGINE OIL TEMPERATURE (EOT) SENSOR
1. Turn ignition switch OFF.
2. Disconnect EOT sensor harness connector.
3. Remove EOT sensor. Refer to EC-548, "ENGINE CONTROL SYSTEM : Component Parts Location"
.
4. Check resistance between EOT sensor terminals by heating
with hot water as shown in the figure.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Proceed to EC-803, "Diagnosis Procedure"
.
2.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to GI-43, "Intermittent Incident"
.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-803, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009462658
1.CHECK ENGINE OIL TEMPERATURE SENSOR
Check engine oil temperature sensor. Refer to EC-803, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace engine oil temperature sensor. Refer to EC-548, "ENGINE CONTROL SYSTEM : Com-
ponent Parts Location".
Component InspectionINFOID:0000000009462659
1.CHECK ENGINE OIL TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect engine oil temperature sensor harness connector.
3. Remove engine oil temperature sensor. Refer to EC-548, "ENGINE CONTROL SYSTEM : Component
Parts Location".
Terminals Condition Resistance (k Ω)
1 and 2 Temperature [ °C ( °F)] 20 (68) 2.37 – 2.63
50 (122) 0.68 – 1.00
90 (194) 0.236 – 0.260
JMBIA0080ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-804
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0196 EOT SENSOR
4. Check resistance between engine oi
l temperature sensor termi-
nals by heating with hot wate r as shown in the figure.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace engine oil temperature sensor. Refer to EC-
548, "ENGINE CONTROL SYSTEM : Component Parts Location".
Terminals Condition Resistance (k Ω)
1 and 2 Temperature [ °C ( °F)] 20 (68) 2.37 - 2.63
50 (122) 0.68 - 1.00
90 (194) 0.236 - 0.260
JMBIA0080ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-806
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0197, P0198 EOT SENSOR
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK ENGINE OIL TEMPERATURE SENSOR
Check engine oil temperature sensor. Refer to EC-806, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace engine oil temperature sensor. Refer to EC-548, "ENGINE CONTROL SYSTEM : Com-
ponent Parts Location".
Component InspectionINFOID:0000000009462662
1.CHECK ENGINE OIL TEMPERATURE SENSOR
1. Turn ignition switch OFF.
2. Disconnect engine oil temperature sensor harness connector.
3. Remove engine oil temperature sensor. Refer to EC-548, "ENGINE CONTROL SYSTEM : Component
Parts Location".
4. Check resistance between engine oi l temperature sensor termi-
nals by heating with hot wate r as shown in the figure.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace engine oil temperature sensor. Refer to EC-
548, "ENGINE CONTROL SYSTEM : Component Parts Location".
Terminals Condition Resistance (k Ω)
1 and 2 Temperature [ °C ( °F)] 20 (68) 2.37 - 2.63
50 (122) 0.68 - 1.00
90 (194) 0.236 - 0.260
JMBIA0080ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM