2014 NISSAN TEANA Service Manual

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Page 1937 of 4801

NISSAN TEANA 2014 Service Manual
P2118 THROTTLE CONTROL MOTOREC-937
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
Component InspectionINFOID:0000000009462812
1.CHECK THROTTLE CONTROL MOTOR
1. Turn ignition swit

Page 1938 of 4801

NISSAN TEANA 2014 Service Manual
EC-938
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
DTC LogicINFOID:0000000009462813
DTC DETECTION LOGIC
DTC CONFIRMATION PROCE

EC-938
< DTC/CIRCUIT DIAGNOSIS >[VQ35DE]
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
P2119 ELECTRIC THROTTLE CONTROL ACTUATOR
DTC LogicINFOID:0000000009462813
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.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A AND B
1. Turn ignition switch ON and wait at least 1 second.
2. Shift selector lever to the D position and wait at least 3 seconds.
3. Shift selector lever to the P position.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Turn ignition switch ON and wait at least 1 second.
6. Shift selector lever to the D position and wait at least 3 seconds.
7. Shift selector lever to the P position.
8. Turn ignition switch OFF, wait at least 10 seconds, and then turn ON.
9. Check DTC.
Is DTC detected?
YES >> Proceed to EC-938, "Diagnosis Procedure".
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C
1. Turn ignition switch ON and wait at least 1 second.
2. Shift selector lever to the D position and wait at least 3 seconds.
3. Shift selector lever to the N or P position.
4. Start engine and let it idle for 3 seconds.
5. Check DTC.
Is DTC detected?
YES >> Proceed to EC-938, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462814
1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch OFF.
2. Remove the intake air duct. Refer to EM-144, "Removal and Installation"
.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2119 Electric throttle control
actuator A)
Electric throttle control
actuator does not func-
tion properly due to the return spring malfunc-
tion.
• Electric throttle control actuator
B) Throttle valve opening angle in fail-safe mode is
not in specified range.
C) ECM detects that the throttle valve is stuck
open.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

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NISSAN TEANA 2014 Service Manual
P2119 ELECTRIC THROTTLE CONTROL ACTUATOREC-939
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
3. Check if foreign matter is c
aught between the throttle valve (1)
and the housing

Page 1940 of 4801

NISSAN TEANA 2014 Service Manual
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

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

Page 1941 of 4801

NISSAN TEANA 2014 Service Manual
P2122, P2123 APP SENSOREC-941
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >

Page 1942 of 4801

NISSAN TEANA 2014 Service Manual
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 Con

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

Page 1943 of 4801

NISSAN TEANA 2014 Service Manual
P2127, P2128 APP SENSOREC-943
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
3. Check the continuity between APP sens
or harness connector and ECM harness connector.
Is the inspe

P2127, P2128 APP SENSOREC-943
< DTC/CIRCUIT DIAGNOSIS > [VQ35DE]
C
D E
F
G H
I
J
K L
M A
EC
NP
O
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

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NISSAN TEANA 2014 Service Manual
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 Insta

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