2014 NISSAN TEANA Service Manual

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Page 1721 of 4801

NISSAN TEANA 2014 Service Manual
P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER
EC-721
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
YES >> INSPECTION END
NO >> Replace malfunctioning air fuel ratio (A/F) sens

Page 1722 of 4801

NISSAN TEANA 2014 Service Manual
EC-722
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0037, P0038, P0057,
P0058 HO2S2 HEATER
P0037, P0038, P0057, P0058 HO2S2 HEATER
DTC LogicINFOID:0000000009462586
DTC DETECTION LOGIC
DTC CONFIRMATION PROCED

EC-722
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0037, P0038, P0057,
P0058 HO2S2 HEATER
P0037, P0038, P0057, P0058 HO2S2 HEATER
DTC LogicINFOID:0000000009462586
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.
TESTING CONDITION:
Before performing the following procedure, confi rm that battery voltage is between 10.5 V and 16 V at
idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and warm it up to the normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Turn ignition switch ON.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load.
6. Let engine idle for 1 minute.
7. Check 1st trip DTC.
Is 1st tip DTC detected?
YES >> Proceed to EC-722, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462587
1.CHECK HO2S2 POWER SUPPLY
1. Disconnect heated oxygen sensor 2 (HO2S2) harness connector.
2. Turn ignition switch ON.
3. Check the voltage between HO2S2 harness connector and ground.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0037 Heated oxygen sensor 2
heater (bank 1) control
circuit low The current amperage in the heated oxygen sensor
2 heater circuit is out of the normal range.
(An excessively low voltage signal is sent to ECM
through the heated oxygen sensor 2 heater.) • Harness or connectors
(The heated oxygen sensor 2 heater
circuit is open or shorted.)
• Heated oxygen sensor 2 heater
P0038 Heated oxygen sensor 2
heater (bank 1) control
circuit high The current amperage in the heated oxygen sensor
2 heater circuit is out of the normal range.
(An excessively high voltage signal is sent to ECM
through the heated oxygen sensor 2 heater.) • Harness or connectors
(The heated oxygen sensor 2 heater
circuit is shorted.)
• Heated oxygen sensor 2 heater
P0057 Heated oxygen sensor 2
heater (bank 2) control
circuit low The current amperage in the heated oxygen sensor
2 heater circuit is out of the normal range.
(An excessively low voltage signal is sent to ECM
through the heated oxygen sensor 2 heater.) • Harness or connectors
(The heated oxygen sensor 2 heater
circuit is open or shorted.)
• Heated oxygen sensor 2 heater
P0058 Heated oxygen sensor 2
heater (bank 2) control
circuit high The current amperage in the heated oxygen sensor
2 heater circuit is out of the normal range.
(An excessively high voltage signal is sent to ECM
through the heated oxygen sensor 2 heater.) • Harness or connectors
(The heated oxygen sensor 2 heater
circuit is shorted.)
• Heated oxygen sensor 2 heater
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1723 of 4801

NISSAN TEANA 2014 Service Manual
P0037, P0038, P0057, P0058 HO2S2 HEATER
EC-723
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK HO2S2 SENSO

P0037, P0038, P0057, P0058 HO2S2 HEATER
EC-723
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK HO2S2 SENSOR 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between HO2S2 har ness connector and IPDM E/R harness connector.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
3.CHECK HO2S2 HEATER OUTPUT SIGN AL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between HO2S2 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 open circuit, short to ground or short to power in harness or connectors.
4.CHECK HEATED OXYGEN SENSOR 2 HEATER
Check heated oxygen sensor 2 heater. Refer to EC-723, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace malfunctioning heated oxygen sensor 2. Refer to EM-152, "Removal and Installation
(LH)" or EM-153, "Removal and Installation (RH)".
Component InspectionINFOID:0000000009462588
1.CHECK HEATED OXYGEN SENSOR 2 HEATER
1. Turn ignition switch OFF.
2. Disconnect heated oxygen sensor 2 harness connector.
3. Check resistance between HO2S2 terminals as per the following.
DTC HO2S2
Ground Voltage
Bank Connector Terminal
P0037, P0038 1 F62 2 Ground Battery voltage
P0057, P0058 2 F56 2
DTC HO2S2 IPDM E/R
Continuity
Bank Connector Terminal Connector Terminal
P0037, P0038 1 F62 2 F8352
Existed
P0057, P0058 2 F56 2 53
DTC HO2S2 ECM
Continuity
Bank Connector Terminal Connector Terminal
P0037, P0038 1 F62 3 F7837
Existed
P0057, P0058 2 F56 3 41
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1724 of 4801

NISSAN TEANA 2014 Service Manual
EC-724
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0037, P0038, P0057,
P0058 HO2S2 HEATER
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace malfunctioning heated oxygen sensor 2. Refer to

Page 1725 of 4801

NISSAN TEANA 2014 Service Manual
P0075, P0081 IVT CONTROL SOLENOID VALVE
EC-725
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
P0075, P0081 IVT CONTROL SOLENOID VALVE
DTC LogicINFOID:0000000009462589
DTC DETECTI

P0075, P0081 IVT CONTROL SOLENOID VALVE
EC-725
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
P0075, P0081 IVT CONTROL SOLENOID VALVE
DTC LogicINFOID:0000000009462589
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conduc ted, 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. Start engine and let it idle for 5 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-725, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462590
1.CHECK INTAKE VALVE TIMING CONTRO L SOLENOID VALVE POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect intake valve timing (IVT) control solenoid valve harness connector.
3. Turn ignition switch ON.
4. Check the voltage between intake valve timing control solenoid valve harness connector and ground with CONSULT or tester.
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 VALVE TIMING CONTROL SOLENO ID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN
AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between intake valve timi ng control solenoid valve harness connector and ECM har-
ness connector.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0075 Intake valve timing control so-
lenoid valve (bank 1) circuit An improper voltage is sent to the ECM
through intake valve timing control solenoid
valve. • Harness or connectors
(Intake valve timing control solenoid valve
circuit is open or shorted.)
• Intake valve timing control solenoid valve
P0081 Intake valve timing control so-
lenoid valve (bank 2) circuit
DTC IVT control solenoid valve
Ground Voltage
Bank Connector Terminal
P0075 1 F67 2 Ground Battery voltage
P0081 2 F66 2
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1726 of 4801

NISSAN TEANA 2014 Service Manual
EC-726
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0075, P0081 IVT CONTROL SOLENOID VALVE
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 3.
NO >

EC-726
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0075, P0081 IVT CONTROL SOLENOID VALVE
4. Also check harness for short to ground and short to power.
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 INTAKE VALVE TIMING CONTROL SOLENOID VALVE
Check intake valve timing control solenoid valve. Refer to EC-726, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace malfunctioning intake valve timing control solenoid valve. Refer to EM-172, "Intake Valve
Timing Control Solenoid Valve (LH) (bank 2)" or EM-173, "Intake Valve Timing Control Solenoid
Valve (RH) (bank 1)".
Component InspectionINFOID:0000000009462591
1.CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE-I
1. Turn ignition switch OFF.
2. Disconnect intake valve timing control solenoid valve harness connector.
3. Check resistance between intake valve timing control solenoid valve terminals as per the following.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace malfunctioning intake valve timing control solenoid valve. Refer to EM-172, "Intake Valve
Timing Control Solenoid Valve (LH) (bank 2)" or EM-173, "Intake Valve Timing Control Solenoid
Valve (RH) (bank 1)".
2.CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE-II
1. Remove intake valve timing control solenoid valve. Refer to EM-172, "Intake Valve Timing Control Sole-
noid Valve (LH) (bank 2)" or EM-173, "Intake Valve Timing Control Solenoid Valve (RH) (bank 1)".
2. Provide 12 V DC between intake valve timing control solenoid valve terminals 1 and 2, and then interrupt it. Check that the
plunger moves as shown in the figure.
CAUTION:
Never apply 12 V DC continuously for 5 seconds or more.
Doing so may result in damage to the coil in intake valve
timing control solenoid valve.
NOTE:
Always replace O-ring when intake valve timing control
solenoid valve is removed.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace malfunctioning intake valve timing control solenoid valve. Refer to EM-172, "Intake Valve
Timing Control Solenoid Valve (LH) (bank 2)" or EM-173, "Intake Valve Timing Control Solenoid
Valve (RH) (bank 1)".
DTC IVT control solenoid valve ECM
Continuity
Bank Connector Terminal Connector Terminal
P0075 1 F67 1 F7955
Existed
P0081 2 F66 1 56
Intake valve timing control solenoid valve
Resistance
+ −
Te r m i n a l
1 2 7.0 - 7.7 Ω [at 20 °C (68 °F)]
1 Ground ∞
Ω
(Continuity should not exist)
2
JMBIA0079ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1727 of 4801

NISSAN TEANA 2014 Service Manual
P0101 MAF SENSOREC-727
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
P0101 MAF SENSOR
DTC LogicINFOID:0000000009462592
DTC DETECTION LOGIC
NOTE:
If DTC P0101 is displayed with

P0101 MAF SENSOREC-727
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
P0101 MAF SENSOR
DTC LogicINFOID:0000000009462592
DTC DETECTION LOGIC
NOTE:
If DTC P0101 is displayed with other DTC, fi rst perform the trouble diagnosis for other DTC.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following proce-
dure before conducti ng 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. Start engine and warm it up to normal operating temperature.
2. Drive the vehicle for at least 5 seconds under the following conditions:
CAUTION:
Always drive vehicle at safe speed.
NOTE:
• The gear must be fixed while driving the vehicle.
• Keep the accelerator pedal as steady as possible during cruising.
3. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-727, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462593
1.CHECK INTAKE SYSTEM
Check the following for connection.
• Air duct
• Vacuum hoses
• Intake air passage between air duct and intake manifold
Is the inspection result normal?
YES >> GO TO 2.
NO >> Reconnect the parts.
2.CHECK MASS AIR FLOW (MAF) SENSOR POWER SUPPLY
DTC No. Trouble diagnosis
(Trouble diagnosis content) DTC detecting condition Possible cause
P0101 MAF SEN/CIRCUIT-B1
[Mass air flow (MAF) sensor cir-
cuit range/performance] • A high voltage from the sensor is sent to
ECM under light load driving condition.
• A low voltage from the sensor is sent to ECM under heavy load driving condition. • Harness or connectors
(The sensor circuit is open or short-
ed.)
• Intake air leaks
• MAF sensor
• EVAP control system pressure sensor
• Intake air temperature sensor
Selector lever Suitable position
Vehicle speed 40 km/h (25 MPH) or more
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1728 of 4801

NISSAN TEANA 2014 Service Manual
EC-728
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0101 MAF SENSOR
1. Disconnect MAF sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between MAF sensor harness connector and groun

EC-728
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P0101 MAF SENSOR
1. Disconnect MAF sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between MAF sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Perform the trouble diagnosis for power supply circuit.
3.CHECK MAF SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between MAF sens or 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 open circuit or short to ground or short to power in harness or connectors.
4.CHECK MAF SENSOR INPUT SIGNAL CIRCUIT
1. Check the continuity between MAF sens or harness connector and ECM harness connector.
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK INTAKE AIR TEMPERATURE SENSOR
Check intake air temperature sensor. Refer to EC-729, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Replace MAF sensor (with in take air temperature sensor).
6.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Check EVAP control system pressure sensor. Refer to EC-849, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Replace EVAP control system pressure sensor.
7.CHECK MAF SENSOR
Check MAF sensor. Refer to EC-729, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace MAF sensor. Refer to EM-144, "Removal and Installation"
.
MAF sensor
Ground Voltage
Connector Terminal
F93 2 Ground Battery voltage
MAF sensor ECM Continuity
Connector Terminal Connector Terminal
F933F7980Existed
MAF sensor ECM Continuity
Connector Terminal Connector Terminal
F934F7982Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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