sensor NISSAN TEANA 2014 Service Manual

P2096, P2097, P2098, P2099 A/F SENSOR 1
EC-927
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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P2096, P2097, P2098, P2099 A/F SENSOR 1
DTC LogicINFOID:0000000009462803
DTC DETECTION LOGIC
To judge the malfunction, the A/F signal computed by ECM fr
om the A/F sensor 1 signal is monitored so it will
not shift to LEAN side or RICH side.
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. Clear the mixture ratio self-learning value. Refer to EC-685, "Work Procedure"
.
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 1 minute under no load.
6. Let engine idle for 1 minute.
7. Keep engine speed between 2,500 and 3,000 rpm for 20 minutes.
8. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-927, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462804
1.RETIGHTEN A/F SENSOR 1 AND HEATED OXYGEN SENSOR 2
Loosen and retighten the A/F sensor 1 and heated oxygen senosr 2. Refer to EM-152, "Removal and Installa-
tion (LH)" or EM-153, "Removal and Installation (RH)".
DTC No. Trouble diagnosis name
(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 (bank 1)
• A/F sensor 1 heater
• Heated oxygen sensor 2 (bank 1)
• 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.
P2098 POST CAT FUEL TRIM SYS
B2
(Post catalyst fuel trim system
too lean bank 2) 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 (bank 2)
• A/F sensor 1 heater
• Heated oxygen sensor 2 (bank 2)
• Fuel pressure
• Fuel injector
• Intake air leaks
• Exhaust gas leaks
P2099 POST CAT FUEL TRIM SYS
B2
(Post catalyst fuel trim system
too rich bank 2) 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.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-928
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2096, P2097, P2098,
P2099 A/F SENSOR 1
>> GO TO 2.
2.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.
NO >> GO TO 3.
3.CHECK FOR INTAKE AIR LEAKAGE
1. Start engine and run it at idle.
2. Listen for an intake air leakage after the mass air flow sensor.
Is intake air leakage detected?
YES >> GO TO 4.
NO >> Repair or replace malfunctioning part.
4.CLEAR THE MIXTURE RATIO SELF-LEARNING VALUE
1. Clear the mixture ratio self-learning value. Refer to EC-685, "Work Procedure"
.
2. Run engine for at least 10 minutes at idle speed.
Is the 1st trip DTC P0171, P 0172, P0174 or P0175 detected? Is it difficult to start engine?
YES >> Perform trouble diagnosis for DTC P0171, P0174 or P0172, P0175. Refer to EC-787, "DTC Logic"
or EC-791, "DTC Logic".
NO >> GO TO 5.
5.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 6.
NO >> Repair or replace harness connector.
6.CHECK AIR FUEL RATIO (A/F) SENSOR 1 POWER SUPPLY
1. Disconnect A/F sensor 1 harness connector.
2. Turn ignition switch ON.
3. 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 AIR FUEL RATIO (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.
Water should not exit.
DTC
A/F sensor
Ground Voltage (V)
Bank Connector Terminal
P2096
P2097 1F124
Ground Battery voltage
P2098
P2099 2F614
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2096, P2097, P2098, P2099 A/F SENSOR 1
EC-929
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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 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between A/F sensor 1 harness connector and ECM harness connector.
4. Check the continuity between A/F sensor 1 harness connector and ground, or ECM harness connector
and ground.
5. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
9.CHECK A/F SENSOR 1 HEATER
Check A/F sensor 1 heater. Refer to EC-720, "Component Inspection"
.
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 12.
10.CHECK HEATED OXYGEN SENSOR 2
Check heated oxygen sensor 2. Refer to EC-723, "Component Inspection"
.
DTCA/F sensor 1 IPDM E/R
Continuity
Bank Connector Terminal Connector Terminal
P2096
P2097 1F124
F8352
Existed
P2098
P2099 2F614 53
DTC A/F sensor 1 ECM
Continuity
Bank Connector Terminal Connector Terminal
P2096
P2097 1F12 1
F79 69
Existed
273
P2098
P2099 2F61 177
281
DTC A/F sensor 1
Ground Continuity
Bank Connector Terminal
P2096
P2097 1F12 1
Ground Not existed
2
P2098
P2099 2F61 1
2
DTC ECM
Ground Continuity
Connector Terminal
P2096
P2097 F79 69
Ground Not existed
73
P2098
P2099 77
81
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-930
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2096, P2097, P2098,
P2099 A/F SENSOR 1
Is the inspection result normal?
YES >> GO TO 11.
NO >> Replace malfunctioning heated oxygen sensor 2.
11 .CHECK INTERMITTENT INCIDENT
Check intermittent incident. Perform GI-43, "Intermittent Incident"
.
Is the inspection result normal?
YES >> GO TO 12.
NO >> Repair or replace malfunctioning part.
12.REPLACE AIR FUEL RATIO (A/F) SENSOR 1
Replace malfunctioning air fuel ratio (A/F) sensor 1. Refer to EM-152, "Removal and Installation (LH)"
or EM-
153, "Removal and Installation (RH)".
Do you have CONSULT?
YES >> GO TO 13.
NO >> GO TO 14.
13.CONFIRM A/F ADJUSTMENT DATA
With CONSULT
1. Turn ignition switch ON.
2. Select “A/F ADJ-B1” and “A/F ADJ-B2 ” in “DATA MONITOR” mode with CONSULT.
3. Make sure that “0.000” is displayed on CONSULT screen.
Is "0.000" displayed?
YES >> INSPECTION END
NO >> GO TO 14.
14.CLEAR THE MIXTURE RATIO SELF-LEARNING VALUE
Clear the mixture ratio self-learning value. Refer to EC-685, "Work Procedure"
.
Do you have CONSULT?
YES >> GO TO 15.
NO >> INSPECTION END
15.CONFIRM A/F ADJUSTMENT DATA
With CONSULT
1. Turn ignition switch ON.
2. Select “A/F ADJ-B1” and “A/F ADJ-B2 ” in “DATA MONITOR” mode with CONSULT.
3. Make sure that “0.000” is displayed on CONSULT screen.
>> INSPECTION END
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-940
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2122, P2123
APP SENSOR
P2122, P2123 APP SENSOR
DTC LogicINFOID:0000000009462815
DTC DETECTION LOGIC
NOTE:
If DTC P2122 or P2123 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 10 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-940, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462816
1.CHECK APP SENSOR 1 POWER SUPPLY
1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between APP 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 APP SENSOR 1 GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between APP sens or harness connector and ECM harness connector.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2122 Accelerator pedal posi-
tion sensor 1 circuit low
input An excessively low vo
ltage from the APP sen-
sor 1 is sent to ECM. • Harness or connectors
(APP sensor 1 circuit is open or shorted.)
• Accelerator pedal position sensor (APP sensor 1)
P2123 Accelerator pedal posi-
tion sensor 1 circuit high
input An excessively high vo
ltage from the APP sen-
sor 1 is sent to ECM.
APP sensor Ground Voltage (V)
Connector Terminal
E40 4 Ground Approx. 5
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2122, P2123 APP SENSOREC-941
< 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 >> GO TO 3.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
3.CHECK APP SENSOR 1 INPUT SIGNAL CIRCUIT
1. Check the continuity between APP 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 4.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
4.CHECK APP SENSOR
Check APP sensor. Refer to EC-941, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace accelerator pedal assembly. Refer to ACC-3, "Removal and Installation"
.
Component InspectionINFOID:0000000009462817
1.CHECK ACCELERATOR PEDAL POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check the voltage between ECM harness connector terminals under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace accelerator pedal assembly. Refer to ACC-3, "Removal and Installation"
.
APP sensor ECM
Continuity
Connector Terminal Connector Terminal
E40 2 E32 100 Existed
APP sensor ECM Continuity
Connector Terminal Connector Terminal
E40 3 E32 97 Existed
ECM Condition Voltage (V)
Connector +–
Terminal
E32 97 100
Accelerator pedalFully released 0.5 - 1.0
Fully depressed 4.2 - 4.8
98 116 Fully released 0.25 - 0.50
Fully depressed 2.0 - 2.5
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-942
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2127, P2128
APP SENSOR
P2127, P2128 APP SENSOR
DTC LogicINFOID:0000000009462818
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, 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-942, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462819
1.CHECK APP SENSOR 2 POWER SUPPLY
1. Disconnect accelerator pedal position (APP) sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2127 Accelerator pedal posi-
tion sensor 2 circuit low
input An excessively low vo
ltage from the APP sen-
sor 2 is sent to ECM. • Harness or connectors
(APP sensor 2 circuit is open or shorted.)
[CKP sensor (POS) circuit is shorted.]
(Refrigerant pressure sensor circuit is
shorted.)
(EVAP control system pressure sensor
circuit is shorted.)
• Accelerator pedal position sensor (APP sensor 2)
• Crankshaft position sensor (POS)
• EVAP control system pressure sensor
• Refrigerant pressure sensor
• Sensor power supply 2 circuit
P2128
Accelerator pedal posi-
tion sensor 2 circuit high
input An excessively high vo
ltage from the APP sen-
sor 2 is sent to ECM.
APP sensor Ground Voltage (V)
Connector Terminal
E40 5 Ground Approx. 5
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2127, P2128 APP SENSOREC-943
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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3. Check the continuity between APP sens
or harness connector and ECM harness connector.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair open circuit.
3.CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Check sensor power suppl y 2 circuit. Refer to EC-981, "Diagnosis Procedure"
.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
4.CHECK APP SENSOR 2 GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between APP 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 5.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK APP SENSOR 2 INPUT SIGNAL CIRCUIT
1. Check the continuity between APP 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 6.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
6.CHECK APP SENSOR
Check APP sensor. Refer to EC-943, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace accelerator pedal assembly. Refer to ACC-3, "Removal and Installation"
.
Component InspectionINFOID:0000000009462820
1.CHECK ACCELERATOR PEDAL POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check the voltage between ECM harness connector terminals under the following conditions.
APP sensor ECM Continuity
Connector Terminal Connector Terminal
E40 5 E32 103 Existed
APP sensor ECM Continuity
Connector Terminal Connector Terminal
E40 1 E32 116 Existed
APP sensor ECM Continuity
Connector Terminal Connector Terminal
E40 6 E32 98 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-944
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2127, P2128
APP SENSOR
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace accelerator pedal assembly. Refer to ACC-3, "Removal and Installation"
.
ECM
Condition Voltage (V)
Connector +–
Te r m i n a l
E32 97 100
Accelerator pedal Fully released 0.5 - 1.0
Fully depressed 4.2 - 4.8
98 116 Fully released 0.25 - 0.50
Fully depressed 2.0 - 2.5
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2135 TP SENSOREC-945
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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P2135 TP SENSOR
DTC LogicINFOID:0000000009462821
DTC DETECTION LOGIC
NOTE:
If DTC P2135 is displayed with DTC P0643, first pe rform the trouble diagnosis for DTC P0643. Refer to
EC-885, "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 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-945, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462822
1.CHECK THROTTLE POSITI ON SENSOR POWER SUPPLY
1. Disconnect electric throttle c ontrol 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 POSITI ON SENSOR 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
P2135 Throttle position sensor
circuit range/perfor-
mance Rationally incorrect voltage is sent to ECM
compared with the signals from TP sensor 1
and TP sensor 2. • Harness or connector
(TP sensor 1 or 2 circuit is open or short-
ed.)
• Electric throttle control actuator
(TP sensor 1 or 2)
Electric throttle control actuator Ground Voltage (V)
Connector Terminal
F57 1 Ground Approx. 5
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM