NISSAN TEANA 2014 Service Manual

P2122, P2123 APP SENSOREC-941
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
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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

EC-946
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2135 TP SENSOR
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 THROTTLE POSITION SE NSOR INPUT SIGNAL CIRCUIT
1. Check the continuity between electric throttle control actuator harness connector and ECM harness con-
nector.
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 THROTTLE POSITION SENSOR
Check throttle position sensor. Refer to EC-946, "Component Inspection"
.
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-43, "Intermittent Incident".
NO >> Replace electric throttle control actuator. Refer to EM-146, "Removal and Installation"
.
Component InspectionINFOID:0000000009462823
1.CHECK THROTTLE POSITION SENSOR
1. Turn ignition switch OFF.
2. Reconnect all harness connectors disconnected.
3. Perform EC-682, "Description"
.
4. Turn ignition switch ON.
5. Shift selector lever position to D.
6. Check the voltage between ECM harness connector terminals under the following conditions.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace electric throttle control actuator. Refer to EM-146, "Removal and Installation"
.
Electric throttle control actuator ECM
Continuity
Connector Terminal Connector Terminal
F57 4 F78 19 Existed
Electric throttle control actuator ECM Continuity
Connector Terminal Connector Terminal
F57 2
F78 22
Existed
323
ECM
Condition Voltage
Connector +–
Te r m i n a l
F78 22
19 Accelerator pedal Fully released More than 0.36 V
Fully depressed Less than 4.75 V
23 Fully released Less than 4.75 V
Fully depressed More than 0.36 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2138 APP SENSOREC-947
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
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P2138 APP SENSOR
DTC LogicINFOID:0000000009462824
DTC DETECTION LOGIC
NOTE:
If DTC P2138 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-947, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462825
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 3.
NO >> GO TO 2.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2138 Accelerator
pedal posi-
tion sensor circuit range/
performance 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.)
[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 1 or 2)
• Crankshaft position sensor (POS)
• EVAP control system pressure sensor
• Refrigerant pressure sensor
• Sensor power supply 2 circuit
APP sensor Ground Voltage (V)
Connector Terminal
E40 4 Ground Approx. 5
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-948
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2138 APP SENSOR
2.CHECK APP SENSOR 1 POWER SUPPLY 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.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK APP SENSOR 2 POWER SUPPLY
1. Turn ignition switch ON.
2. Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 6.
NO >> GO TO 4.
4.CHECK APP SENSOR 2 POWER SUPPLY 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.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Repair or replace error-detected parts.
5.CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Check sensor power supply 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.
6.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.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
APP sensor ECM Continuity
Connector Terminal Connector Terminal
E40 4 E32 99 Existed
APP sensor Ground Voltage (V)
Connector Terminal
E40 5 Ground Approx. 5
APP sensor ECM Continuity
Connector Terminal Connector Terminal
E40 5 E32 103 Existed
APP sensor ECM Continuity
Connector Terminal Connector Terminal
E40 2
E32 100
Existed
1116
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

P2138 APP SENSOREC-949
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
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YES >> GO TO 7.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
7.CHECK APP SENSOR 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 8.
NO >> Repair open circuit, short to ground or short to power in harness or connectors.
8.CHECK APP SENSOR
Check APP sensor. Refer to EC-949, "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:0000000009462826
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 3
E32 97
Existed
698
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-950
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
BRAKE PEDAL POSITION SWITCH
BRAKE PEDAL POSITION SWITCH
Component Function CheckINFOID:0000000009462827
1.CHECK BRAKE PEDAL POSI
TION SWITCH FUNCTION
With CONSULT
1. Turn ignition switch ON.
2. Select “BRAKE SW1” in “D ATA MONITOR” mode with CONSULT.
3. Check “BRAKE SW1” indication under the following conditions.
Without CONSULT
1. Turn ignition switch ON.
2. Check the voltage between ECM harness connector terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-950, "Diagnosis Procedure"
.
Diagnosis ProcedureINFOID:0000000009462828
1.CHECK BRAKE PEDAL POSITION SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect brake pedal position switch harness connector.
3. Turn ignition switch ON.
4. Check the voltage between brake pedal pos ition switch harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2.CHECK BRAKE PEDAL POSITION SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect fuse block (J/B) harness connector.
3. Check the continuity between brake pedal position switch harness connector and fuse block (J/B) harness connector.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
Monitor item Condition Indication
BRAKE SW1 Brake pedal Slightly depressed OFF
Fully released ON
ECM Condition Voltage
Connector +–
Te r m i n a l Te r m i n a l
E32 126 128 Brake pedal Slightly depressed Approx. 0 V
Fully released Battery voltage
Brake pedal position switch Ground Voltage
Connector Terminal
E51 1 Ground Battery voltage
Brake pedal position switch Fuse block (J/B) Continuity
Connector Terminal Connector Terminal
E51 1 E6 1M Existed
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM