2008 NISSAN TEANA Service Manual

brake rotor air conditioning 4WD bolt pattern battery capacity height

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NISSAN TEANA 2008 Service Manual EC-12
< BASIC INSPECTION >[VQ25DE, VQ35DE]
INSPECTION AND ADJUSTMENT
2. Rev engine between 2,000 and 3,000 rpm 2 or 3 times under no
load, then run engine at idle speed for about 1 minute.
3. Check id

EC-12
< BASIC INSPECTION >[VQ25DE, VQ35DE]
INSPECTION AND ADJUSTMENT
2. Rev engine between 2,000 and 3,000 rpm 2 or 3 times under no
load, then run engine at idle speed for about 1 minute.
3. Check idle speed.
For procedure, refer to EC-14, "
IDLE SPEED : Special Repair
Requirement".
For specification, refer to EC-414, "
Idle Speed".
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 4.
4.PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
1. Stop engine.
2. Perform EC-15, "
ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require-
ment".
>> GO TO 5.
5.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform EC-16, "
THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".
>> GO TO 6.
6.PERFORM IDLE AIR VOLUME LEARNING
Perform EC-16, "
IDLE AIR VOLUME LEARNING : Special Repair Requirement".
Is Idle Air Volume Learning carried out successfully?
YES >> GO TO 7.
NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.
7.CHECK TARGET IDLE SPEED AGAIN
1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.
For procedure, refer to EC-14, "
IDLE SPEED : Special Repair Requirement".
For specification, refer to EC-414, "
Idle Speed".
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 8.
8.DETECT MALFUNCTIONING PART
Check the Following.
Check camshaft position sensor (PHASE) and circuit. Refer to EC-223, "
Diagnosis Procedure".
Check crankshaft position sensor (POS) and circuit. Refer to EC-219, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 9.
NO >> 1. Repair or replace malfunctioning part.
2. GO TO 4.
9.CHECK ECM FUNCTION
1. Substitute with a non-malfunctioning ECM to check ECM function. (ECM may be the cause of the incident,
although this is rare.)
2. Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to
SEC-8, "
ECM RE-COMMUNICATING FUNCTION : Description".
>> GO TO 4.
10.CHECK IGNITION TIMING
1. Run engine at idle.
PBIA8513J

Page 1474 of 5121

NISSAN TEANA 2008 Service Manual INSPECTION AND ADJUSTMENT
EC-13
< BASIC INSPECTION >[VQ25DE, VQ35DE]
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2. Check ignition timing with a timing light.
For procedure, refer to EC-15, "
IGNITION TIMING : Sp

INSPECTION AND ADJUSTMENT
EC-13
< BASIC INSPECTION >[VQ25DE, VQ35DE]
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2. Check ignition timing with a timing light.
For procedure, refer to EC-15, "
IGNITION TIMING : Special Repair Requirement".
For specification, refer to EC-414, "
Ignition Timing".
Is the inspection result normal?
YES >> GO TO 19.
NO >> GO TO 11.
11 .PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING
1. Stop engine.
2. Perform EC-15, "
ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require-
ment".
>> GO TO 12.
12.PERFORM THROTTLE VALVE CLOSED POSITION LEARNING
Perform EC-16, "
THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".
>> GO TO 13.
13.PERFORM IDLE AIR VOLUME LEARNING
Perform EC-16, "
IDLE AIR VOLUME LEARNING : Special Repair Requirement".
Is Idle Air Volume Learning carried out successfully?
YES >> GO TO 14.
NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.
14.CHECK TARGET IDLE SPEED AGAIN
1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.
For procedure, refer to EC-14, "
IDLE SPEED : Special Repair Requirement".
For specification, refer to EC-414, "
Idle Speed".
Is the inspection result normal?
YES >> GO TO 15.
NO >> GO TO 17.
15.CHECK IGNITION TIMING AGAIN
1. Run engine at idle.
2. Check ignition timing with a timing light.
For procedure, refer to EC-15, "
IGNITION TIMING : Special Repair Requirement".
For specification, refer to EC-414, "
Ignition Timing".
Is the inspection result normal?
YES >> GO TO 19.
NO >> GO TO 16.
16.CHECK TIMING CHAIN INSTALLATION
Check timing chain installation. Refer to EM-53, "
Removal and Installation".
Is the inspection result normal?
YES >> GO TO 17.
NO >> 1. Repair the timing chain installation.
2. GO TO 4.
17.DETECT MALFUNCTIONING PART
Check the following.
Check camshaft position sensor (PHASE) and circuit. Refer to EC-223, "
Diagnosis Procedure".
Check crankshaft position sensor (POS) and circuit. Refer to EC-219, "
Diagnosis Procedure".
Is the inspection result normal?
YES >> GO TO 18.
NO >> 1. Repair or replace malfunctioning part.

Page 1475 of 5121

NISSAN TEANA 2008 Service Manual EC-14
< BASIC INSPECTION >[VQ25DE, VQ35DE]
INSPECTION AND ADJUSTMENT
2. GO TO 4.
18.CHECK ECM FUNCTION
1. Substitute with a non-malfunctioning ECM to check ECM function. (ECM may be the cause of the

Page 1476 of 5121

NISSAN TEANA 2008 Service Manual INSPECTION AND ADJUSTMENT
EC-15
< BASIC INSPECTION >[VQ25DE, VQ35DE]
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Check idle speed in “DATA MONITOR” mode with CONSULT-III.
With GST
Check idle speed with Servic

Page 1477 of 5121

NISSAN TEANA 2008 Service Manual EC-16
< BASIC INSPECTION >[VQ25DE, VQ35DE]
INSPECTION AND ADJUSTMENT
THROTTLE VALVE CLOSED POSITION LEARNING
THROTTLE VALVE CLOSED POSITION LEARNING : DescriptionINFOID:0000000003856455
Throttle Valve

EC-16
< BASIC INSPECTION >[VQ25DE, VQ35DE]
INSPECTION AND ADJUSTMENT
THROTTLE VALVE CLOSED POSITION LEARNING
THROTTLE VALVE CLOSED POSITION LEARNING : DescriptionINFOID:0000000003856455
Throttle Valve Closed Position Learning is an operation to learn the fully closed position of the throttle valve by
monitoring the throttle position sensor output signal. It must be performed each time harness connector of
electric throttle control actuator or ECM is disconnected.
THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement
INFOID:0000000003856456
1.START
1. Check that accelerator pedal is fully released.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
Check that throttle valve moves during above 10 seconds by confirming the operating sound.
>> END
IDLE AIR VOLUME LEARNING
IDLE AIR VOLUME LEARNING : DescriptionINFOID:0000000003856457
Idle Air Volume Learning is a function of ECM to learn the idle air volume that keeps engine idle speed within
the specific range. It must be performed under the following conditions:
Each time electric throttle control actuator or ECM is replaced.
Idle speed or ignition timing is out of specification.
IDLE AIR VOLUME LEARNING : Special Repair RequirementINFOID:0000000003856458
1.PRECONDITIONING
Before performing Idle Air Volume Learning, check 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, head lamp, rear window defogger)
-For vehicle equipped with daytime light systems, perform one of the following procedures before
starting engine not to illuminate headlamps.
Apply parking brake
Set lighting switch to the 1st position
Steering wheel: Neutral (Straight-ahead position)
Vehicle speed: Stopped
Transmission: Warmed-up
- With CONSULT-III: Drive vehicle until “ATF TEMP SEN” in “DATA MONITOR” mode of “CVT” system indi-
cates less than 0.9 V.
- Without CONSULT-III: Drive vehicle for 10 minutes.
Will CONSULT-III be used?
YES >> GO TO 2.
NO >> GO TO 3.
2.PERFORM IDLE AIR VOLUME LEARNING
With CONSULT-III
1. Perform EC-15, "
ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require-
ment".
2. Perform EC-16, "
THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".
3. Start engine and warm it up to normal operating temperature.
4. Select “IDLE AIR VOL LEARN” in “WORK SUPPORT” mode.
5. Touch “START” and wait 20 seconds.

Page 1478 of 5121

NISSAN TEANA 2008 Service Manual INSPECTION AND ADJUSTMENT
EC-17
< BASIC INSPECTION >[VQ25DE, VQ35DE]
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Is “CMPLT” displayed on CONSULT-III screen?
YES >> GO TO 4.
NO >> GO TO 5.
3.PERFORM IDLE AIR V

INSPECTION AND ADJUSTMENT
EC-17
< BASIC INSPECTION >[VQ25DE, VQ35DE]
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Is “CMPLT” displayed on CONSULT-III screen?
YES >> GO TO 4.
NO >> GO TO 5.
3.PERFORM IDLE AIR VOLUME LEARNING
Without CONSULT-III
NOTE:
It is better to count the time accurately with a clock.
It is impossible to switch the diagnostic mode when an accelerator pedal position sensor circuit has
a malfunction.
1. Perform EC-15, "
ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require-
ment".
2. Perform EC-16, "
THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".
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 released, turn ignition switch ON and wait 3 seconds.
6. Repeat the following procedure quickly 5 times within 5 seconds.
- Fully depress the accelerator pedal.
- Fully release the accelerator pedal.
7. Wait 7 seconds, fully depress the accelerator pedal for approx. 20 seconds until the MI stops blinking and
turns ON.
8. Fully release the accelerator pedal within 3 seconds after the MI turns ON.
9. Start engine and let it idle.
10. Wait 20 seconds.
>> GO TO 4.
4.CHECK IDLE SPEED AND IGNITION TIMING
Rev up the engine 2 or 3 times and check that idle speed and ignition timing are within the specifications.
For procedure, refer to EC-14, "
IDLE SPEED : Special Repair Requirement" and EC-15, "IGNITION TIMING :
Special Repair Requirement".
For specifications, refer to EC-414, "
Idle Speed" and EC-414, "Ignition Timing".
Is the inspection result normal?
YES >> INSPECTION END
NO >> GO TO 5.
5.DETECT MALFUNCTIONING PART-I
Check the following
Check that throttle valve is fully closed.
Check PCV valve operation.
Check that downstream of throttle valve is free from air leakage.
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair or replace malfunctioning part.
6.DETECT MALFUNCTIONING PART-II
When the above three items check out OK, engine component parts and their installation condition are ques-
tionable. Check and eliminate the cause of the incident.
It is useful to perform “TROUBLE DIAGNOSIS - SPECIFICATION VALUE”. Refer to EC-124, "
Description".
PBIB0665E

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NISSAN TEANA 2008 Service Manual EC-18
< BASIC INSPECTION >[VQ25DE, VQ35DE]
INSPECTION AND ADJUSTMENT
If any of the following conditions occur after the engine has started, eliminate the cause of the incident and
perform Idle Air Vol

Page 1480 of 5121

NISSAN TEANA 2008 Service Manual ENGINE CONTROL SYSTEM
EC-19
< FUNCTION DIAGNOSIS >[VQ25DE, VQ35DE]
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FUNCTION DIAGNOSIS
ENGINE CONTROL SYSTEM
System DiagramINFOID:0000000003856461
JMBIA1465GB

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