display NISSAN TEANA 2014 Service Manual
[x] Cancel search | Manufacturer: NISSAN, Model Year: 2014, Model line: TEANA, Model: NISSAN TEANA 2014Pages: 4801, PDF Size: 51.2 MB
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![NISSAN TEANA 2014 Service Manual
EC-176
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VIN REGISTRATION
VIN REGISTRATION
DescriptionINFOID:0000000009462132
VIN Registration is an operation to registering VIN in
ECM. It must be performed each time EC NISSAN TEANA 2014 Service Manual
EC-176
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VIN REGISTRATION
VIN REGISTRATION
DescriptionINFOID:0000000009462132
VIN Registration is an operation to registering VIN in
ECM. It must be performed each time EC](/img/5/57390/w960_57390-1175.png)
EC-176
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VIN REGISTRATION
VIN REGISTRATION
DescriptionINFOID:0000000009462132
VIN Registration is an operation to registering VIN in
ECM. It must be performed each time ECM is replaced.
NOTE:
Accurate VIN which is registered in ECM ma y be required for Inspection & Maintenance (I/M).
Work ProcedureINFOID:0000000009462133
1.CHECK VIN
Check the VIN of the vehicle and note it. Refer to GI-23, "Identification Number"
.
>> GO TO 2.
2.PERFORM VIN REGISTRATION
With CONSULT
1. Turn ignition switch ON and engine stopped.
2. Select “VIN REGISTRATION” in “WORK SU PPORT” mode of “ENGINE” using CONSULT.
3. Follow the instruction of CONSULT display.
>> END
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EC-178
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THROTTLE VALVE CLOSED POSITION LEARNING
THROTTLE VALVE CLOSED POSITION LEARNING
DescriptionINFOID:0000000009462136
Throttle Valve Closed Position Learning is a fun NISSAN TEANA 2014 Service Manual
EC-178
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THROTTLE VALVE CLOSED POSITION LEARNING
THROTTLE VALVE CLOSED POSITION LEARNING
DescriptionINFOID:0000000009462136
Throttle Valve Closed Position Learning is a fun](/img/5/57390/w960_57390-1177.png)
EC-178
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THROTTLE VALVE CLOSED POSITION LEARNING
THROTTLE VALVE CLOSED POSITION LEARNING
DescriptionINFOID:0000000009462136
Throttle Valve Closed Position Learning is a function of ECM to learn the fully closed position of the throttle
valve by monitoring the throttle position sensor output signal. It must be performed each time the harness con-
nector of the electric throttle control actuator or ECM is disconnected or elec tric throttle control actuator inside
is cleaned.
Work ProcedureINFOID:0000000009462137
1.START
With CONSULT
1. Turn ignition switch ON.
2. Select “CLSD THL POS LEARN” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.
3. Follow the instructions on the CONSULT display.
4. Turn ignition switch OFF and wait at least 10 seconds.
Check that throttle valve moves during the above 10 seconds by confirming the operating sound.
Without CONSULT
1. Start the engine.
NOTE:
Engine coolant temperature is 25 °C (77 °F) or less before engine starts.
2. Warm up the engine. NOTE:
Raise engine coolant temperature until it reaches 65 °C (149 °F) or more.
3. Turn ignition switch OFF and wait at least 10 seconds. Check that throttle valve moves during the above 10 seconds by confirming the operating sound.
>> END
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IDLE AIR VOLUME LEARNINGEC-179
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IDLE AIR VOLUME LEARNING
DescriptionINFOID:0000000009462138
Idle Air Volume Learning is a function of ECM NISSAN TEANA 2014 Service Manual
IDLE AIR VOLUME LEARNINGEC-179
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IDLE AIR VOLUME LEARNING
DescriptionINFOID:0000000009462138
Idle Air Volume Learning is a function of ECM](/img/5/57390/w960_57390-1178.png)
IDLE AIR VOLUME LEARNINGEC-179
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IDLE AIR VOLUME LEARNING
DescriptionINFOID:0000000009462138
Idle Air Volume Learning is a function of ECM to lear
n the idle air volume that keeps each engine idle speed
within the specific range. It must be per formed under any of the following conditions:
• Each time electric throttle control actuator or ECM is replaced.
• Idle speed or ignition timing is out of specification.
Work ProcedureINFOID:0000000009462139
1.PRECONDITIONING
Make sure that all of the following conditions are satisfied.
Learning will be cancelled if any of the following conditions are missed for even a moment.
• Battery voltage: More than 12.9 V (At idle)
• Engine coolant temperature: 70 - 100 °C (158 - 212 °F)
• Selector lever : P or N
• Electric load switch: OFF
(Air conditioner, headlamp, rear window defogger)
On vehicles equipped with daytime running light systems, set lighting switch to the 1st position to
light only small lamps.
• Steering wheel: Neutral (Straight-ahead position)
• Vehicle speed: Stopped
• Transmission: Warmed-up
- With CONSULT Drive vehicle until “ATF TENP SEN” in “DATA MONITO R” mode of “CVT” system indicates less than 0.9 V.
- Without CONSULT Drive vehicle for 10 minutes.
Do you have CONSULT?
YES >> GO TO 2.
NO >> GO TO 3.
2.IDLE AIR VOLUME LEARNING
With CONSULT
1. Perform Accelerator Pedal Released Position Learning. Refer to EC-177, "Work Procedure"
.
2. Perform Throttle Valve Closed Position Learning. Refer to EC-178, "Work Procedure"
.
3. Start engine and warm it up to normal operating temperature.
4. Select “IDLE AIR VOL LEARN” in “WORK SUPPORT” mode of “ENGINE”.
5. Touch “START” and wait 20 seconds.
Is
“CMPLT” displayed on CONSULT screen?
YES >> GO TO 4.
NO >> GO TO 5.
3.IDLE AIR VOLUME LEARNING
Without CONSULT
NOTE:
• It is better to count the time accurately with a clock.
• It is impossible to switch the di agnostic mode when an accelerator pedal position sensor circuit has
a malfunction.
1. Perform Accelerator Pedal Released Position Learning. Refer to EC-177, "Work Procedure"
.
2. Perform Throttle Valve Closed Position Learning. Refer to EC-178, "Work Procedure"
.
3. Start engine and warm it up to normal operating temperature.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Confirm that accelerator pedal is fully releas ed, turn ignition switch ON and wait 3 seconds.
6. Repeat the following procedure quick ly five times within 5 seconds.
- Fully depress the accelerator pedal.
- Fully release the accelerator pedal.
7. Wait 7 seconds, fully depress the accelerator pedal and keep it for approx. 20 seconds until the MIL stops
blinking and turned ON.
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HOW TO SET SRT CODEEC-183
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HOW TO SET SRT CODE
DescriptionINFOID:0000000009462143
OUTLINE
In order to set all SRTs, the self-diagnoses as NISSAN TEANA 2014 Service Manual
HOW TO SET SRT CODEEC-183
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HOW TO SET SRT CODE
DescriptionINFOID:0000000009462143
OUTLINE
In order to set all SRTs, the self-diagnoses as](/img/5/57390/w960_57390-1182.png)
HOW TO SET SRT CODEEC-183
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HOW TO SET SRT CODE
DescriptionINFOID:0000000009462143
OUTLINE
In order to set all SRTs, the self-diagnoses as in
the “SRT ITEM” table must have been performed at least
once. Each diagnosis may require actual driving for a long period of time under various conditions.
SRT ITEM
The table below shows required self-diagnostic items to set the SRT to “CMPLT”.
*1: Though displayed on the CONSULT screen, “HO2S HTR” is not SRT item.
*2: If completion of several SRTs is required, perfo rm driving patterns (DTC confirmation procedure), one by
one based on the priority for models with CONSULT.
SRT SERVICE PROCEDURE
SRT item*1
(CONSULT indication) Performance
Priority*2Required self-diagnostic items to set the SRT to “CMPLT” Corresponding
DTC No.
CATALYST 1 Three way catalyst function P0420
EVAP SYSTEM 1 EVAP control system purge flow monitoring P0441
1 EVAP control system P0456
HO2S 1 Air fuel ratio (A/F) sensor 1 P014C, P014D, P015A, P015B
Heated oxygen sensor 2 P0137
Heated oxygen sensor 2 P0138
Heated oxygen sensor 2 P0139
EGR/VVT SYSTEM 2 Intake value timing control function P0011, P052A,
P052B
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TROUBLE DIAGNOSIS - SPECIFICATION VALUEEC-195
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DTC/CIRCUIT DIAGNOSIS
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
DescriptionINFOID:00000 NISSAN TEANA 2014 Service Manual
TROUBLE DIAGNOSIS - SPECIFICATION VALUEEC-195
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DTC/CIRCUIT DIAGNOSIS
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
DescriptionINFOID:00000](/img/5/57390/w960_57390-1194.png)
TROUBLE DIAGNOSIS - SPECIFICATION VALUEEC-195
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DTC/CIRCUIT DIAGNOSIS
TROUBLE DIAGNOSIS - SPECIFICATION VALUE
DescriptionINFOID:0000000009462149
The specification (SP) value indicates the tolerance of
the value that is displayed in “SPEC” of “DATA MONI-
TOR” mode of CONSULT during normal operation of the Engine Control System. When the value in “SPEC” of
“DATA MONITOR” mode is within the SP value, the E ngine Control System is confirmed OK. When the value
in “SPEC” of “DATA MONITOR” mode is NOT within t he SP value, the Engine Control System may have one
or more malfunctions.
The SP value is used to detect malfunctions that may af fect the Engine Control System, but will not light the
MIL.
The SP value will be displayed for the following three items:
• B/FUEL SCHDL (The fuel injection pulse width programmed into ECM prior to any learned on board correc- tion)
• A/F ALPHA-B1 (The mean value of air-fuel ratio feedback correction factor per cycle)
• MAS A/F SE-B1 (The signal voltage of the mass air flow sensor)
Component Function CheckINFOID:0000000009462150
1.START
Make sure that all of the following conditions are satisfied.
• Vehicle driven distance: More than 5,000 km (3,107 miles)
• Barometric pressure: 98.3 - 104.3 kPa (1.003 - 1.064 kg/cm
2, 14.25 - 15.12 psi)
• Atmospheric temperature: 20 - 30 °C (68 - 86 °F)
• Engine coolant temperature: 75 - 95 °C (167 - 203 °F)
• Transmission: Warmed-up
- After the engine is warmed up to normal operating tem perature, drive vehicle until “ATF TEMP SEN” (CVT
fluid temperature sensor signal) indicates more than 60 °C (140 °F).
• Electrical load: Not applied*
• Engine speed: Idle
*: Rear window defogger switch, air conditioner switch, lighting switch are OFF. Steering wheel is straight
ahead.
>> GO TO 2.
2.PERFORM “SPEC” OF “DATA MONITOR” MODE
With CONSULT
NOTE:
Perform “SPEC” in “DATA MONITOR” mode in maximum scale display.
1. Perform EC-170, "Work Procedure"
.
2. Select “B/FUEL SCHDL”, “A/F ALPHA-B1” and “MAS A/F SE-B1” in “SPEC” of “DATA MONITOR” mode
with CONSULT.
3. Make sure that monitor items are within the SP value.
Is the inspection result normal?
YES >> END
NO >> Proceed to EC-196, "Diagnosis Procedure"
.
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P0011 IVT CONTROLEC-209
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P0011 IVT CONTROL
DTC LogicINFOID:0000000009462159
DTC DETECTION LOGIC
NOTE:
If DTC P0011 is displayed wit NISSAN TEANA 2014 Service Manual
P0011 IVT CONTROLEC-209
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P0011 IVT CONTROL
DTC LogicINFOID:0000000009462159
DTC DETECTION LOGIC
NOTE:
If DTC P0011 is displayed wit](/img/5/57390/w960_57390-1208.png)
P0011 IVT CONTROLEC-209
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P0011 IVT CONTROL
DTC LogicINFOID:0000000009462159
DTC DETECTION LOGIC
NOTE:
If DTC P0011 is displayed with DTC P0075, first perform the trouble diagnosis for EC-221, "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 pr ocedure, confirm that battery voltage is between 11 V and 16 V at
idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE-1
With CONSULT
1. Turn ignition switch ON and select “DATA MONITOR” mode of “ENGINE” using CONSULT.
2. Start engine and warm it up to normal operating temperature.
3. Maintain the following conditions for at least 6 c onsecutive seconds. Hold the accelerator pedal as steady
as possible.
4. Stop vehicle with engine running and let engine idle for 10 seconds.
5. Check 1st trip DTC.
With GST
Follow the procedure “With CONSULT” above.
Is 1st trip DTC detected?
YES >> Proceed to EC-210, "Diagnosis Procedure".
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE-2
With CONSULT
1. Maintain the following conditions for at least 20 consecutive seconds.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P0011 INT/V TIM CONT-B1
( ″ A ″ Camshaft position - tim-
ing over-advanced or system
performance bank 1) There is a gap between angle of target
and phase-control angle degree. • Crankshaft position sensor (POS)
• Camshaft position sensor (PHASE)
• Intake valve control solenoid valve
• Accumulation of debris to the signal pick-up
portion of the camshaft
• Timing chain installation
• Foreign matter caught in the oil groove for in-
take valve timing control
ENG SPEED 1,200 - 2,000 rpm
COOLAN TEMP/S More than 60 °C (140 °F)
Selector lever P or N position
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EC-212
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P0014 EVT CONTROL
P0014 EVT CONTROL
DTC LogicINFOID:0000000009462162
DTC DETECTION LOGIC
NOTE:
• If DTC P0014 is displayed with DTC P0078, first perform t NISSAN TEANA 2014 Service Manual
EC-212
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P0014 EVT CONTROL
P0014 EVT CONTROL
DTC LogicINFOID:0000000009462162
DTC DETECTION LOGIC
NOTE:
• If DTC P0014 is displayed with DTC P0078, first perform t](/img/5/57390/w960_57390-1211.png)
EC-212
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P0014 EVT CONTROL
P0014 EVT CONTROL
DTC LogicINFOID:0000000009462162
DTC DETECTION LOGIC
NOTE:
• If DTC P0014 is displayed with DTC P0078, first perform trouble diagnosis for DTC P0078. Refer to
EC-225, "DTC Logic"
.
• If DTC P0014 is displayed with P1078, first pe rform trouble diagnosis for P1078. Refer to EC-413,
"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, confi rm that battery voltage is between 10 V and 16 V at
idle.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE-1
With CONSULT
1. Turn ignition switch ON and select “DATA MONITOR” mode of “ENGINE” using CONSULT.
2. Start engine and warm it up to the normal operating temperature.
3. Maintain the following conditions for at least 6 c onsecutive seconds. Hold the accelerator pedal as steady
as possible.
4. Let engine idle for 10 seconds.
5. Check 1st trip DTC.
With GST
Follow the procedure “With CONSULT” above.
Is 1st trip DTC detected?
YES >> Proceed to EC-213, "Diagnosis Procedure"
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE-2
With CONSULT
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P0014 EXH/V TIM CONT-B1
( ″ B ″ Camshaft position - tim-
ing over-advanced or system
performance bank 1) There is a gap between angle of target and
phase-control angle degree. • Crankshaft position sensor (POS)
• Camshaft position sensor (PHASE)
• Exhaust valve timing control position sen- sor
• Exhaust valve control solenoid valve
• Accumulation of debris to the signal pick- up portion of the camshaft
• Timing chain installation
• Foreign matter caught in the oil groove for exhaust valve timing control
ENG SPEED 1,200 - 2,000 rp m (A constant rotation is maintained.)
COOLAN TEMP/S More than 60 °C (140 °F)
Selector lever P or N position
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EC-228
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P0101 MAF SENSOR
P0101 MAF SENSOR
DTC LogicINFOID:0000000009462178
DTC DETECTION LOGIC
NOTE:
If DTC P0101 is displayed with other DTC, fi rst perform the tro NISSAN TEANA 2014 Service Manual
EC-228
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P0101 MAF SENSOR
P0101 MAF SENSOR
DTC LogicINFOID:0000000009462178
DTC DETECTION LOGIC
NOTE:
If DTC P0101 is displayed with other DTC, fi rst perform the tro](/img/5/57390/w960_57390-1227.png)
EC-228
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P0101 MAF SENSOR
P0101 MAF SENSOR
DTC LogicINFOID:0000000009462178
DTC DETECTION LOGIC
NOTE:
If DTC P0101 is displayed with other DTC, fi rst perform the trouble diagnosis for other DTC.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following proce-
dure 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.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and warm it up to normal operating temperature.
2. Drive the vehicle for at least 5 seconds under the following conditions: CAUTION:
Always drive vehicle at safe speed.
NOTE:
• The gear must be fixed while driving the vehicle.
• Keep the accelerator pedal as st eady as possible during cruising.
3. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Proceed to EC-228, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462179
1.CHECK INTAKE SYSTEM
Check the following for connection.
• Air duct
• Vacuum hoses
• Intake air passage between air duct and intake manifold
Is the inspection result normal?
YES >> GO TO 2.
NO >> Reconnect the parts.
2.CHECK MASS AIR FLOW (M AF) SENSOR POWER SUPPLY
DTC No.CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P0101 MAF SEN/CIRCUIT-B1
(Mass or volume air Flow ″A ″
circuit range/performance) • A high voltage from the sensor is sent to
ECM under light load driving condition.
• A low voltage from the sensor is sent to ECM under heavy load driving condition. • Harness or connectors
(MAF sensor circuit is open or short-
ed.)
• Intake air leaks
• MAF sensor
• EVAP control system pressure sensor
• Intake air temperature sensor
• Sensor power supply 2 circuit
Selector lever Suitable position
Vehicle speed 40 km/h (25 MPH) or more
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EC-236
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P010A MANIFOLD ABSOL
UTE PRESSURE SENSOR
P010A MANIFOLD ABSOLUTE PRESSURE SENSOR
DTC LogicINFOID:0000000009462184
DTC DETECTION LOGIC
NOTE:
If DTC P010A is d NISSAN TEANA 2014 Service Manual
EC-236
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P010A MANIFOLD ABSOL
UTE PRESSURE SENSOR
P010A MANIFOLD ABSOLUTE PRESSURE SENSOR
DTC LogicINFOID:0000000009462184
DTC DETECTION LOGIC
NOTE:
If DTC P010A is d](/img/5/57390/w960_57390-1235.png)
EC-236
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P010A MANIFOLD ABSOL
UTE PRESSURE SENSOR
P010A MANIFOLD ABSOLUTE PRESSURE SENSOR
DTC LogicINFOID:0000000009462184
DTC DETECTION LOGIC
NOTE:
If DTC P010A 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 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.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and let it idle for 10 seconds.
2. Check DTC.
Is DTC detected?
YES >> Proceed to EC-236, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462185
1.CHECK MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR POWER SUPPLY CIRCUIT
1. Disconnect manifold absolute pressu re (MAP) sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between MAP sensor harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace error-detected parts.
2.CHECK MAP SENSOR GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between manifold MAP sensor harness connector and ECM harness connector.
DTC No.CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P010A ABSL PRES SEN/CIRC
(Mass or volume air flow ″B ″ circuit) • An excessively low voltage from the
sensor is sent to ECM.
• An excessively high voltage from the sensor is sent to ECM. • Harness or connectors
(Manifold absolute pressure sen-
sor circuit is shorted.)
• Manifold absolute pressure sensor
+
-Voltag e
(Approx.)
MAP sensor
Connector Terminal F89 1 Ground 5 V
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EC-248
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P0122, P0123 TP SENSOR
P0122, P0123 TP SENSOR
DTC LogicINFOID:0000000009462201
DTC DETECTION LOGIC
NOTE:
If DTC P0122 or P0123 is displayed with DTC P0643, NISSAN TEANA 2014 Service Manual
EC-248
< DTC/CIRCUIT DIAGNOSIS >[QR25DE]
P0122, P0123 TP SENSOR
P0122, P0123 TP SENSOR
DTC LogicINFOID:0000000009462201
DTC DETECTION LOGIC
NOTE:
If DTC P0122 or P0123 is displayed with DTC P0643,](/img/5/57390/w960_57390-1247.png)
EC-248
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P0122, P0123 TP SENSOR
P0122, P0123 TP SENSOR
DTC LogicINFOID:0000000009462201
DTC DETECTION LOGIC
NOTE:
If DTC P0122 or P0123 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 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-248, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000009462202
1.CHECK THROTTLE POSITION SENSOR 2 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 2 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
DTC No. CONSULT screen terms
(Trouble diagnosis content) DTC detecting condition Possible cause
P0122 TP SEN 2/CIRC-B1
(Throttle/pedal position sensor/
switch ″A ″ circuit low) An excessively low voltage from the TP
sensor 2 is sent to ECM. • Harness or connectors
(TP sensor 2 circuit is open or shorted.)
• Electric throttle control actuator (TP sensor 2)
P0123 TP SEN 2/CIRC-B1
(Throttle/pedal position sensor/
switch ″A ″ circuit high) An excessively high voltage from the TP
sensor 2 is sent to ECM.
+
−Voltag e
(Approx.)
Electric throttle control actuator
Connector Terminal F57 2 Ground 5 V
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM