2014 NISSAN TEANA sensor

P2127, P2128 APP SENSOREC-485
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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P2127, P2128 APP SENSOR
DTC LogicINFOID:0000000009462416
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, 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-485, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462417
1.CHECK APP SENSOR 2 POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect accelerator pedal position (APP) sensor harness connector.
3. Turn ignition switch ON.
4. Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Perform EC-525, "Diagnosis Procedure"
.
Is inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P2127 APP SEN 2/CIRC
(Throttle/pedal position sensor/
switch ″E ″ circuit low) An excessively low voltage from the
APP sensor 2 is sent to ECM. • Harness or connectors
(APP sensor 2 circuit is open or shorted.)
• Accelerator pedal position sensor
(APP sensor 2)
• Sensor power supply 2 circuit
P2128 APP SEN 2/CIRC
(Throttle/pedal position sensor/
switch ″E ″ circuit high) An excessively high voltage from the
APP sensor 2 is sent to ECM.
+
−Vo l ta g e
(Approx.)
APP sensor
Connector Terminal E40 5 Ground 5 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-486
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P2127, P2128
APP SENSOR
3.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.
*1: Except for California
*2: For California
4. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK APP SENSOR 2 INPUT SIGNAL CIRCUIT
1. Check the continuity between APP sens or harness connector and ECM harness connector.
*1: Except for California
*2: For California
2. Also check harness for short to ground and to power.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace error-detected parts
5.CHECK APP SENSOR
Check the APP sensor. Refer to EC-486, "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:0000000009462418
1.CHECK ACCELERATOR PEDAL POSITION SENSOR
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Turn ignition switch ON.
4. Check the voltage between ECM harness connector terminals as per the following condition.
+ −
Continuity
APP sensor ECM
Connector Terminal Connector Terminal
E40 1 E10
*1
E31*2120 Existed
+
−
Continuity
APP sensor ECM
Connector Terminal Connector Terminal
E40 6 E10
*1
E31*2119 Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2127, P2128 APP SENSOREC-487
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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*1: Except for California
*2: For California
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace accelerator pedal assembly. Refer to ACC-3, "Removal and Installation"
.
ECM
Condition Voltage
Connector +
−
Te r m i n a l
Sensor 1 E10
*1
E31*2
126 127
Accelerator pedalFully released 0.5 - 1.0 V
Fully depressed 4.2 - 4.8 V
Sensor 2 119 120 Fully released 0.25 - 0.5 V
Fully depressed 2.0 - 2.5 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-488
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P2135 TP SENSOR
P2135 TP SENSOR
DTC LogicINFOID:0000000009462419
DTC DETECTION LOGIC
NOTE:
If DTC P2135 is displayed with DTC P0643, first pe rform the trouble diagnosis for DTC P0643. Refer to
EC-407, "DTC 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, 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-488, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462420
1.CHECK THROTTLE POSITION SENSOR POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect electric throttle control actuator harness connector.
3. Turn ignition switch ON.
4. Check the voltage between electric throttle control actuator harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK THROTTLE POSITION SE NSOR POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between electric thro ttle control actuator harness connector and ground.
DTC No.CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P2135 TP SENSOR-B1
(Throttle/pedal position sen-
sor/switch ″A ″ / ″B ″ voltage
correlation) 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 shorted.)
• Electric throttle control actuator
(TP sensor 1 or 2)
+
−Voltag e
(Approx.)
Electric throttle control actuator
Connector Terminal F57 2 Ground 5 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2135 TP SENSOREC-489
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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*1: Except for California
*2: For California
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.
3.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.
*1: Except for California
*2: For California
4. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace error-detected parts.
4.CHECK THROTTLE PO SITION SENSOR INPUT SIGNAL CIRCUIT
1. Check the continuity between electric throttle control actuator harness connector and ECM harness con-
nector.
*1: Except for California
*2: For California
2. Also check harness for short to ground and 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 THROTTLE POSITION SENSOR
Check the throttle position sensor. Refer to EC-490, "Component Inspection"
.
Is the inspection result normal?
+ −
Continuity
Electric throttle control actu-
ator ECM
Connector Terminal Connector Terminal
F57 2 F13
*1
F90*280 Existed
+
−
Continuity
Electric throttle control actu-
ator ECM
Connector Terminal Connector Terminal
F57 4 F13
*1
F90*278 Existed
+
−
Continuity
Electric throttle control actu-
ator ECM
Connector Terminal Connector Terminal
F57 1
F13
*1
F90*2
79
Existed
377
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-490
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P2135 TP SENSOR
YES >> Check intermittent incident. Refer to
GI-43, "Intermittent Incident".
NO >> Replace electric throttle control actuator. Refer to EM-30, "Removal and Installation"
.
Component InspectionINFOID:0000000009462421
1.CHECK THROTTLE POSITION SENSOR
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Perform “ Throttle Valve Closed Position Learning”. Refer to EC-178, "Work Procedure"
.
4. Turn ignition switch ON.
5. Set selector lever to D position.
6. Check the voltage between ECM harness connector terminals as per the following conditions.
*1: Except for California
*2: For California
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace electric throttle control actuator. Refer to EM-30, "Removal and Installation"
.
ECM
Condition Voltage
Connector +
−
Te r m i n a l
Sensor 1 F13
*1
F90*2
79
78Accelerator
pedal Fully released More than 0.36V
Fully depressed Less than 4.75V
Sensor 2 77 Fully released Less than 4.75V
Fully depressed More than 0.36V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2138 APP SENSOREC-491
< DTC/CIRCUIT DIAGNOSIS > [QR25DE]
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P2138 APP SENSOR
DTC LogicINFOID:0000000009462422
DTC DETECTION LOGIC
NOTE:
If DTC P2138 is displayed with DTC P0643, first pe rform the trouble diagnosis for DTC P0643. Refer to
EC-407, "DTC 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, 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-491, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462423
1.CHECK APP SENSOR 1 POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect accelerator pedal position (APP) sensor harness connector.
3. Turn ignition switch ON.
4. Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P2138 APP SENSOR
(Throttle/pedal position sen-
sor/switch ″D ″ / ″E ″ voltage
correlation) Rationally incorrect voltage is sent to ECM
compared with the signals from APP sensor
1 and APP sensor 2. • Harness or connector
(APP sensor 1 or 2 circuit is open or
shorted.)
• Accelerator pedal position sensor (APP sensor 1 or 2)
• Sensor power supply 2 circuit
+
−Vo l ta g e
(Approx.)
APP sensor
Connector Terminal E40 4 Ground 5 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-492
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P2138 APP SENSOR
3. Check the continuity between APP sens
or harness connector and ECM harness connector.
*1: Except for California
*2: For California
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.
3.CHECK APP SENSOR 2 POWER SUPPLY
Check the voltage between APP s ensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Perform EC-525, "Diagnosis Procedure"
.
Is inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace error-detected parts.
5.CHECK APP SENSOR 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.
*1: Except for California
*2: For California
4. Also check harness for short to power.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace error-detected parts.
6.CHECK APP SENSOR INPUT SIGNAL CIRCUIT
1. Check the continuity between APP sens or harness connector and ECM harness connector.
+−
Continuity
APP sensor ECM
Connector Terminal Connector Terminal
E40 4 E10
*1
E31*2122 Existed
+
−Voltag e
(Approx.)
APP sensor
Connector Terminal E40 5 Ground 5 V
+ −
Continuity
APP sensor ECM
Connector Terminal Connector Terminal
E40 1
E10
*1
E31*2
120
Existed
2127
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM