2014 NISSAN TEANA Service Manual

alternator belt flat tire wheelbase fuel filter reset sat nav

Page 1465 of 4801

NISSAN TEANA 2014 Service Manual
P2014, P2016, P2017, P2018 INTAKE MANIFOLD RUNNER CONTROL VALVE
POSITION SENSOR
EC-465
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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P2014, P2016, P2017, P2018 INTAKE
MANIFOLD

P2014, P2016, P2017, P2018 INTAKE MANIFOLD RUNNER CONTROL VALVE
POSITION SENSOR
EC-465
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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P2014, P2016, P2017, P2018 INTAKE
MANIFOLD RUNNER CONTROL
VALVE POSITION SENSOR
DTC LogicINFOID:0000000009462399
DTC DETECTION LOGIC
NOTE:
If DTC P2014, P2016, P2017 or P2018 is displayed with DTC P0643, first perform the trouble diagnosis
for DTC P0643. Refer to EC-407, "DTC 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.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for 10 seconds.
2. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-465, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462400
1.CHECK INTAKE MANIFOLD RUNNER CONTROL VA LVE POSITION SENSOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect intake valve manifold runner control valve position sensor harness connector.
3. Turn ignition switch ON.
4. Check the voltage between intake valve manifold r unner control valve position sensor harness connector.
DTC No.CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P2014 IN/MANIFOLD RUNNER POS SEN B1
(Intake manifold runner position sensor/
switch circuit bank 1) An excessively low voltage from the sen-
sor is sent to ECM. • Harness or connectors
(Intake manifold runner control
position sensor circuit is short-
ed.)
• Intake manifold runner control position sensor
P2016
IN/MANIFOLD RUNNER POS SEN B1
(Intake manifold runner position sensor/
switch circuit low bank 1)
P2017 IN/MANIFOLD RUNNER POS SEN B1
(Intake manifold runner position sensor/
switch circuit high bank 1) An excessively high voltage from the sen-
sor is sent to ECM.
P2018 IN/MANIFOLD RUNNER POS SEN B1
(Intake manifold runner position sensor/
switch circuit intermittent bank 1)
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1466 of 4801

NISSAN TEANA 2014 Service Manual
EC-466
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P2014, P2016, P2017, P2
018 INTAKE MANIFOLD RUNNER CONTROL VALVE
POSITION SENSOR
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK INT

Page 1467 of 4801

NISSAN TEANA 2014 Service Manual
P2014, P2016, P2017, P2018 INTAKE MANIFOLD RUNNER CONTROL VALVE
POSITION SENSOR
EC-467
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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*1: Except for California
*2: For Californ

Page 1468 of 4801

NISSAN TEANA 2014 Service Manual
EC-468
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P2096, P2097 A/F SENSOR 1
P2096, P2097 A/F SENSOR 1
DTC LogicINFOID:0000000009462401
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC

EC-468
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P2096, P2097 A/F SENSOR 1
P2096, P2097 A/F SENSOR 1
DTC LogicINFOID:0000000009462401
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1. Turn ignition switch OFF and wait least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 at idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Clear the mixture ratio self-learning value. Refer to EC-181, "Work Procedure"
.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and keep the engine speed between 3,500 and 4,000 rpm for 1 minute under no load.
4. Let engine idle for 1 minute.
5. Keep engine speed between 2,500 and 3,000 rpm for 20 minutes.
6. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-468, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462402
1.CHECK HARNESS CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect A/F sensor 1 harness connector.
3. Check harness connector for water.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace harness connector.
2.RETIGHTEN A/F SENSOR 1 AND HEATED OXYGEN SENSOR 2
Loosen and retighten the A/F sensor 1 and heated oxygen sensor 2. Refer to EM-33, "Exploded View"
, EX-5,
"Exploded View".
>> GO TO 3.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible Cause
P2096 POST CAT FUEL TRIM SYS B1
(Post catalyst fuel trim system
too lean bank 1) The output voltage computed by ECM from the
A/F sensor 1 signal is shifts to the lean side for a
specified period. • A/F sensor 1
• A/F sensor 1 heater
• Heated oxygen sensor 2
• Fuel pressure
• Fuel injector
• Intake air leaks
• Exhaust gas leaks
P2097
POST CAT FUEL TRIM SYS B1
(Post catalyst fuel trim system
too rich bank 1) The A/F signal computed by ECM from the A/F
sensor 1 signal is shifts to the rich side for a spec-
ified period.
Water should not exit.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1469 of 4801

NISSAN TEANA 2014 Service Manual
P2096, P2097 A/F SENSOR 1EC-469
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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3.CHECK FOR EXHAUST GAS LEAK
1. Start engine and run it at idle.
2. Listen for an exhaust gas leak

P2096, P2097 A/F SENSOR 1EC-469
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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3.CHECK FOR EXHAUST GAS LEAK
1. Start engine and run it at idle.
2. Listen for an exhaust gas leak before the three way catalyst 2.
Is exhaust gas leak detected?
YES >> Repair or replace malfunctioning parts.
NO >> GO TO 4.
4.CHECK FOR INTAKE AIR LEAK
1. Reconnect A/F sensor 1 harness connector.
2. Start engine and run it at idle.
3. Listen for an intake air leak after the mass air flow sensor.
Is intake air leak detected?
YES >> Repair or replace malfunctioning parts.
NO >> GO TO 5.
5.CLEAR THE MIXTURE RATIO SELF-LEARNING VALUE
1. Clear the mixture ratio self-learning value. Refer to EC-181, "Work Procedure"
.
2. Run engine for at least 10 minutes at idle speed.
Is the 1st trip DTC P0171 or P0172 detected? Is it difficult to start engine?
YES >> Perform trouble diagnosis for DTC P0171 or P0172. Refer to EC-294, "DTC Logic" or EC-298,
"DTC Logic".
NO >> GO TO 6.
6.CHECK A/F SENSOR 1 POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect A/F sensor 1 harness connector.
3. Turn ignition switch ON.
4. Check the voltage between A/F sensor 1 harness connector and ground.
Is the inspection result normal?
YES >> GO TO 8.
NO >> GO TO 7.
7.CHECK A/F SENSOR 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between A/F sensor 1 harness connector and IPDM E/R harness connector.
4. Also check harness for short to ground.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
8.CHECK A/F SENSOR 1 IN PUT SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
+
- Voltage
A/F sensor 1
Connector Terminal F24 4 Ground Battery voltage
+ −
Continuity
A/F sensor 1 IPDM E/R
Connector Terminal Connector Terminal F244F8352Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

Page 1470 of 4801

NISSAN TEANA 2014 Service Manual
EC-470
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P2096, P2097 A/F SENSOR 1
3. Check the continuity between A/F sensor
1 harness connector and ECM harness connector.
*1: Except for California
*2: For Califo

Page 1471 of 4801

NISSAN TEANA 2014 Service Manual
P2096, P2097 A/F SENSOR 1EC-471
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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• Discard any sensor which has been dropped from a he
ight of more than 0.5 m (19.7 in) onto a ha

Page 1472 of 4801

NISSAN TEANA 2014 Service Manual
EC-472
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P2100, P2103 THROTTLE
CONTROL MOTOR RELAY
P2100, P2103 THROTTLE CONTROL MOTOR RELAY
DTC LogicINFOID:0000000009462403
DTC DETECTION LOGIC
DTC CONFIRMATION PR

EC-472
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P2100, P2103 THROTTLE
CONTROL MOTOR RELAY
P2100, P2103 THROTTLE CONTROL MOTOR RELAY
DTC LogicINFOID:0000000009462403
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
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, co nfirm that battery voltage is more than 8 V.
Witch DTC is detected?
P2100 >> GO TO 2.
P2103 >> GO TO 3.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2100
1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.
3. Check DTC.
Is DTC detected?
YES >> Proceed to EC-472, "Diagnosis Procedure".
NO >> INSPECTION END
3.PERFORM DTC CONFIRMATION PROCEDURE FOR DTC P2103
1. Turn ignition switch ON and wait at least 1 second.
2. Check DTC.
Is DTC detected?
YES >> Proceed to EC-472, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462404
1.CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY
1. Turn ignition switch OFF.
2. Check the voltage between ECM harness connector and ground.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P2100 ETC MOT PWR-B1
(Throttle actuator ″A ″ control
motor circuit/open) ECM detects a voltage of power source for
throttle control motor is excessively low. • Harness or connectors
(Throttle control moto r relay circuit is
open)
• Throttle control motor relay
P2103 ETC MOT PWR
(Throttle actuator ″A ″ control
motor circuit high) ECM detect the throttle control motor relay is
stuck ON. • Harness or connectors
(Throttle control moto r relay circuit is
shorted)
• Throttle control motor relay
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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