2014 NISSAN TEANA engine oil

DAS-222
< PRECAUTION >[MOD]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint Syst
em (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009951656
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. Information necessary to service the system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inopera tive, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISS AN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery and wait at least three minutes before performing any service.
Precaution for WorkINFOID:0000000009464885
• When removing or disassembling each component, be careful not to damage or deform it. If a component may be subject to interference, be sure to protect it with a shop cloth.
• When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a shop cloth or vinyl tape to protect it.
• Protect the removed parts with a s hop cloth and prevent them from being dropped.
• Replace a deformed or damaged clip.
• If a part is specified as a non-reusable part, always replace it with a new one.
• Be sure to tighten bolts and nuts securely to the specified torque.
• After installation is complete, be sure to check that each part works properly.
• Follow the steps below to clean components:
- Water soluble dirt:
• Dip a soft cloth into lukewarm water, wring the water out of the cloth and wipe the dirty area.
• Then rub with a soft, dry cloth.
- Oily dirt:
• Dip a soft cloth into lukewarm water with mild detergent (concentration: within 2 to 3%) and wipe the dirty area.
• Then dip a cloth into fresh water, wring the water out of the cloth and wipe the detergent off.
• Then rub with a soft, dry cloth.
- Do not use organic solvent such as thinner, benzene, alcohol or gasoline.
- For genuine leather seats, use a genuine leather seat cleaner.
Precautions For Harness RepairINFOID:0000000009464886
ITS communication uses a twisted pair line. Be careful when repairing it.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DAS-256
< BASIC INSPECTION >[MOD]
REAR VIEW CAMERA CALIBRATION
REAR VIEW CAMERA CALIBRATION
DescriptionINFOID:0000000009464906
Always perform the calibration after removing and installing or replacing the rear view camera.
CAUTION:
• Place the vehicle on level ground wh en the calibration is performed.
• Follow the CONSULT when performing the calib ration. (Rear view camera calibration cannot be
operated without CONSULT).
Work Procedure (Preparation)INFOID:0000000009464907
1.PERFORM SELF-DIAGNOSIS
Perform self-diagnosis of the ITS control unit.
Is any DTC detected?
Except "U1308">> Perform diagnosis on the detected DTC and repair or replace the applicable item. Refer to
DAS-239, "DTC Index"
.
"U1308" or no DTC>>GO TO 2.
2.PREPARATION BEFORE REAR VIEW CAMERA CALIBRATION
NOTE:
Select the "AVM" to diagnose the ITS control unit by CONSULT.
1. Perform pre-inspection for diagnosis. Refer to DAS-253, "Inspection Procedure"
.
2. Adjust the tire pressure to the specified pressure value.
3. Maintain no-load in vehicle.
4. Check if coolant and engine oil are filled up to correct level and fuel tank is full.
5. Situate vehicle where the camera is ex posed at an atmosphere temperature between 0 °C (32 °F) and
30 °C (86 °F)
6. Move the shift selector to P (Park) and release the parking brake.
7. Clean the rear view camera.
>> GO TO 3.
3.PREPARATION OF CALIBRATION TARGET MARK
Prepare the calibration target mark according to the following figure:
ALOIA0186ZZ
(1) : Left and right targets
(2) : Center target
(A) : Side of the black or white area = 200 mm (7.87 in)
(B) : Side of the square target = 400 mm (15.75 in)
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

PRECAUTIONSDEF-3
< PRECAUTION >
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PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000009951577
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severi ty of injury to the driver and front passenger for certain
types of collision. Information necessary to service t he system safely is included in the SR and SB section of
this Service Manual.
WARNING:
• To avoid rendering the SRS inoper ative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintentional act ivation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipm ent on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identi fied by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Un it or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or el ectric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery and wait at least three mi nutes before performing any service.
Precaution for WorkINFOID:0000000009463020
• When removing or disassembling each component, be ca reful not to damage or deform it. If a component
may be subject to interference, be sure to protect it with a shop cloth.
• When removing (disengaging) components with a screwdriver or similar tool, be sure to wrap the component with a shop cloth or vinyl tape to protect it.
• Protect the removed parts with a shop cloth and prevent them from being dropped.
• Replace a deformed or damaged clip.
• If a part is specified as a non-reusabl e part, always replace it with a new one.
• Be sure to tighten bolts and nuts securely to the specified torque.
• After installation is complete, be sure to check that each part works properly.
• Follow the steps below to clean components:
- Water soluble dirt:
• Dip a soft cloth into lukewarm water, wring the water out of the cloth and wipe the dirty area.
• Then rub with a soft, dry cloth.
-Oily dirt:
• Dip a soft cloth into lukewarm water with mild detergent (concentration: within 2 to 3%) and wipe the dirty area.
• Then dip a cloth into fresh water, wring the water out of the cloth and wipe the detergent off.
• Then rub with a soft, dry cloth.
- Do not use organic solvent such as thinner, benzene, alcohol or gasoline.
- For genuine leather seats, use a genuine leather seat cleaner.
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-1
ENGINE
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SECTION EC
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CONTENTS
ENGINE CONTROL SYSTEM
QR25DE
PRECAUTION ................ ..............................
15
PRECAUTIONS .............................................. ....15
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ....
15
Precaution for Procedure without Cowl Top Cover ....15
On Board Diagnostic (OBD) System of Engine
and CVT .............................................................. ....
15
General Precautions ...............................................16
PREPARATION ...........................................19
PREPARATION .............................................. ....19
Special Service Tools .......................................... ....19
Commercial Service Tools ......................................19
SYSTEM DESCRIPTION .............................21
COMPONENT PARTS ................................... ....21
Component Parts Location ................................ ....21
ECM ........................................................................25
Accelerator Pedal Position Sensor ...................... ....25
Electric Throttle Control Actuator ........................ ....25
Ignition Coil With Power Transistor .........................26
Fuel Injector ........................................................ ....26
Fuel Level Sensor Unit and Fuel Pump .............. ....26
Fuel Tank Temperature Sensor .......................... ....27
Mass Air Flow Sensor (With Intake Air Tempera-
ture Sensor) ........................................................ ....
27
Manifold Absolute Pressure Sensor ........................28
Engine Coolant Temperature Sensor .................. ....28
Crankshaft Position Sensor (POS) ..........................29
Camshaft Position Sens or (PHASE) .......................29
Intake Valve Timing Cont rol Solenoid Valve ...........30
Intake Valve Timing Intermediate Lock Control
Solenoid Valve .................................................... ....
30
Exhaust Valve Timing Control Position Sensor .......30
Exhaust Valve Timing Control Solenoid Valve ........31
Intake Manifold Runner Control Valve ................. ....31
Intake Manifold Tuning Valve ..................................31
Air Fuel Ratio (A/F) Sensor 1 ..................................32
Heated Oxygen Sensor 2 ........................................32
Knock Sensor ..........................................................33
Engine Oil Pressure Sensor ....................................33
Engine Oil Temperature Sensor .......................... ....33
Cooling Fan .............................................................34
EVAP Canister .........................................................34
EVAP Canister Purge Volu me Control Solenoid
Valve .................................................................... ....
34
EVAP Canister Vent Control Valve ..........................35
EVAP Control System Pres sure Sensor ..................35
Battery Current Sensor (With Battery Tempera-
ture Sensor) ......................................................... ....
35
Malfunction Indicator lamp (MIL) .............................36
Oil Pressure Warning Lamp ....................................36
Refrigerant Pressure Sensor ............................... ....36
Stop Lamp Switch & Brake Pedal Position Switch ....36
ASCD Steering Switch .............................................37
Information Display ..................................................37
STRUCTURE AND OPERATION .....................38
Positive Crankcase Ventilation ................................38
On Board Refueling Vapor Recovery (ORVR) ........39
SYSTEM ............................................................40
ENGINE CONTROL SYSTEM ........................ ...........40
ENGINE CONTROL SYSTEM : System Descrip-
tion ....................................................................... ....
40
ENGINE CONTROL SYSTEM : Fail Safe ..............41
MULTIPORT FUEL INJECTION SYSTEM ................43
MULTIPORT FUEL INJECTION SYSTEM : Sys-
tem Description (with auto matic air conditioner) ......
43
MULTIPORT FUEL INJECTION SYSTEM : Sys-
tem Description (with manual air conditioner) .........
46
ELECTRIC IGNITION SYSTEM .................................48
ELECTRIC IGNITION SYSTEM : System De-
scription ............................................................... ....
48
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-2
INTAKE VALVE TIMING CONTROL ........................49
INTAKE VALVE TIMING CONTROL : System De-
scription ............................................................... ...
49
EXHAUST VALVE TIMING CONTROL ................. ...52
EXHAUST VALVE TIMING CONTROL : System
Description ........................................................... ...
52
INTAKE MANIFOLD RUNNER CONTROL ........... ...53
INTAKE MANIFOLD RUNNER CONTROL : Sys-
tem Description .................................................... ...
53
INTAKE MANIFOLD TUNING SYSTEM ...................54
INTAKE MANIFOLD TUNI NG SYSTEM : System
Description ........................................................... ...
54
ENGINE PROTECTION CONTROL AT LOW EN-
GINE OIL PRESSURE ....... .......................................
55
ENGINE PROTECTION CONTROL AT LOW EN-
GINE OIL PRESSURE : S ystem Description .........
55
FUEL FILLER CAP WARNING SYSTEM .............. ...55
FUEL FILLER CAP WARNING SYSTEM : System
Description ........................................................... ...
56
AIR CONDITIONING CUT CONTROL ................... ...56
AIR CONDITIONING CUT CONTROL : System
Description (with automatic air conditioner) ......... ...
56
AIR CONDITIONING CUT CONTROL : System
Description (with manual air conditioner) ................
57
COOLING FAN CONTROL .................................... ...58
COOLING FAN CONTROL : System Description
(with automatic air condit ioner) ...............................
59
COOLING FAN CONTROL : System Description
(with manual air conditio ner) ..................................
60
EVAPORATIVE EMISSION SYSTEM .................... ...61
EVAPORATIVE EMISSION SYSTEM : System
Description ........................................................... ...
62
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...63
AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : System Description .................................... ...
63
CAN COMMUNICATION ........................................ ...64
CAN COMMUNICATION : System Description ......64
OPERATION ................................................... ...65
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...65
AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : Switch Name and Function ........................ ...
65
ON BOARD DIAGNOSTIC (OBD) SYSTEM .....66
Diagnosis Description .......................................... ...66
GST (Generic Scan Tool) .......................................66
DIAGNOSIS SYSTEM (ECM) ............................67
DIAGNOSIS DESCRIPTION .................................. ...67
DIAGNOSIS DESCRIPTION : 1st Trip Detection
Logic and Two Trip Detection Logic .................... ...
67
DIAGNOSIS DESCRIPTION : DTC and Freeze
Frame Data .......................................................... ...
67
DIAGNOSIS DESCRIPTION : Counter System ......68
DIAGNOSIS DESCRIPTION : Driving Pattern ........71
DIAGNOSIS DESCRIPTION : System Readiness
Test (SRT) Code .................................................. ...
72
DIAGNOSIS DESCRIPTION : Permanent Diag-
nostic Trouble Code (Permanent DTC) ............... ...
73
DIAGNOSIS DESCRIPTION : Malfunction Indica-
tor Lamp (MIL) ..................................................... ...
74
On Board Diagnosis Function .................................74
CONSULT Function ................................................77
ECU DIAGNOSIS INFORMATION .............88
ECM ...................................................................88
Reference Value .................................................. ...88
Fail Safe ...............................................................101
DTC Inspection Priority Chart .............................104
DTC Index ............................................................105
Test Value and Test Limit .....................................109
WIRING DIAGRAM ...................................117
ENGINE CONTROL SYSTEM ........................ ..117
Wiring Diagram .................................................... .117
BASIC INSPECTION .................................165
DIAGNOSIS AND REPAIR WORKFLOW ...... ..165
Work Flow ............................................................ .165
Diagnostic Work Sheet .........................................168
BASIC INSPECTION ...................................... ..170
Work Procedure ................................................... .170
ADDITIONAL SERVICE WHEN REPLACING
ECM ................................................................ ..
174
Description ........................................................... .174
Work Procedure ....................................................174
VIN REGISTRATION ........................................176
Description ........................................................... .176
Work Procedure ....................................................176
ACCELERATOR PEDAL RELEASED POSI-
TION LEARNING ............................................ ..
177
Description ........................................................... .177
Work Procedure ....................................................177
THROTTLE VALVE CLOSED POSITION
LEARNING ..................................................... ..
178
Description ........................................................... .178
Work Procedure ....................................................178
IDLE AIR VOLUME LEARNING .......................179
Description ........................................................... .179
Work Procedure ....................................................179
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR ............................................................ ..
181
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-5
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P0447 EVAP CANISTER VENT CONTROL
VALVE ............................................................ ..
350
DTC Logic ........................................................... ..350
Diagnosis Procedure .............................................350
Component Inspection ..........................................352
P0448 EVAP CANISTER VENT CONTROL
VALVE ............................................................ ..
354
DTC Logic ........................................................... ..354
Diagnosis Procedure .............................................355
Component Inspection ..........................................356
P0451 EVAP CONTROL SYSTEM PRES-
SURE SENSOR .............................................. ..
358
DTC Logic ........................................................... ..358
Diagnosis Procedure .............................................359
Component Inspection ..........................................361
P0452 EVAP CONTROL SYSTEM PRES-
SURE SENSOR .............................................. ..
362
DTC Logic ........................................................... ..362
Diagnosis Procedure .............................................363
Component Inspection ..........................................364
P0453 EVAP CONTROL SYSTEM PRES-
SURE SENSOR .............................................. ..
366
DTC Logic ........................................................... ..366
Diagnosis Procedure .............................................367
Component Inspection ..........................................369
P0456 EVAP CONTROL SYSTEM ..................370
DTC Logic ........................................................... ..370
Diagnosis Procedure .............................................371
Component Inspection ..........................................375
P0460 FUEL LEVEL SENSOR ........................376
DTC Logic ........................................................... ..376
Diagnosis Procedure .............................................376
P0461 FUEL LEVEL SENSOR ........................377
DTC Logic ........................................................... ..377
Component Function Check ..................................377
Diagnosis Procedure .............................................378
P0462, P0463 FUEL LEVEL SENSOR ............379
DTC Logic ........................................................... ..379
Diagnosis Procedure .............................................379
P0500 VSS .......................................................380
Description .......................................................... ..380
DTC Logic .............................................................380
Diagnosis Procedure .............................................380
P0506 ISC SYSTEM .........................................382
Description .......................................................... ..382
DTC Logic .............................................................382
Diagnosis Procedure .............................................382
P0507 ISC SYSTEM .........................................384
Description .......................................................... ..384
DTC Logic .............................................................384
Diagnosis Procedure ........................................... ..384
P050A, P050B, P050E COLD START CON-
TROL ...............................................................
386
Description ........................................................... ..386
DTC Logic ..............................................................386
Diagnosis Procedure .............................................387
P0520 EOP SENSOR ......................................388
DTC Logic ..............................................................388
Diagnosis Procedure .............................................388
Component Inspection ...........................................390
P0524 ENGINE OIL PRESSURE ....................391
DTC Logic ..............................................................391
Diagnosis Procedure .............................................392
Component Inspection ...........................................393
P052A, P052B INTAKE VALVE TIMING CON-
TROL ...............................................................
394
DTC Logic ............................................................ ..394
Diagnosis Procedure .............................................394
Component Inspection (Intake Valve Timing Con-
trol Solenoid Valve) ............................................. ..
396
Component Inspection (Intake Valve Timing Inter-
mediate Lock Control Solenoid Valve) ................ ..
397
Component Inspection (Crankshaft Position sen-
sor) ...................................................................... ..
397
Component Inspection (Camshaft position sen-
sor) ...................................................................... ..
398
P0603 ECM .....................................................400
DTC Logic ..............................................................400
Diagnosis Procedure .............................................400
P0604 ECM .....................................................401
DTC Logic ..............................................................401
Diagnosis Procedure .............................................401
P0605 ECM .....................................................402
DTC Logic ..............................................................402
Diagnosis Procedure .............................................402
P0606 ECM .....................................................403
DTC Logic ..............................................................403
Diagnosis Procedure .............................................403
P0607 ECM .....................................................404
DTC Logic ..............................................................404
Diagnosis Procedure .............................................404
P060A ECM .....................................................405
DTC Logic ..............................................................405
Diagnosis Procedure .............................................405
P060B ECM .....................................................406
DTC Logic ..............................................................406
Diagnosis Procedure .............................................406
P0643 SENSOR POWER SUPPLY ................407
Description .............................................................407
DTC Logic ..............................................................407
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-7
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P2101 ELECTRIC THROTTLE CONTROL
FUNCTION ..................................................... ..
475
DTC Logic ........................................................... ..475
Diagnosis Procedure .............................................475
Component Inspection ..........................................477
P2118 THROTTLE CONTROL MOTOR ..........478
DTC Logic ........................................................... ..478
Diagnosis Procedure .............................................478
Component Inspection ..........................................479
P2119 ELECTRIC THROTTLE CONTROL
ACTUATOR .................................................... ..
480
DTC Logic ........................................................... ..480
Diagnosis Procedure .............................................480
P2122, P2123 APP SENSOR ...........................482
DTC Logic ........................................................... ..482
Diagnosis Procedure .............................................482
Component Inspection ..........................................484
P2127, P2128 APP SENSOR ...........................485
DTC Logic ........................................................... ..485
Diagnosis Procedure .............................................485
Component Inspection ..........................................486
P2135 TP SENSOR ..........................................488
DTC Logic ........................................................... ..488
Diagnosis Procedure .............................................488
Component Inspection ..........................................490
P2138 APP SENSOR .......................................491
DTC Logic ........................................................... ..491
Diagnosis Procedure .............................................491
Component Inspection ..........................................493
P2610 ECM INTERNAL TIMER .......................494
Description .......................................................... ..494
DTC Logic .............................................................494
Diagnosis Procedure .............................................495
BRAKE PEDAL POSITION SWITCH ...............496
Component Function Check ................................ ..496
Diagnosis Procedure .............................................496
Component Inspection (Brake Pedal Position
Switch) ................................................................ ..
497
COOLING FAN .................................................499
Component Function Check ................................ ..499
Diagnosis Procedure .............................................499
Component Inspection (Cooling Fan Motor) .........501
Component Inspection (C ooling Fan Relay) .........502
ELECTRICAL LOAD SIGNAL ....................... ..503
Description .......................................................... ..503
Component Function Check ..................................503
Diagnosis Procedure .............................................503
FUEL INJECTOR .............................................505
Component Function Check ................................ ..505
Diagnosis Procedure .............................................505
Component Inspection ......................................... ..506
FUEL PUMP ....................................................508
Description .............................................................508
Component Function Check ..................................508
Diagnosis Procedure .............................................508
Component Inspection ...........................................510
IGNITION SIGNAL ..........................................511
Component Function Check ..................................511
Diagnosis Procedure .............................................511
Component Inspection (Ignition Coil with Power
Transistor) ........................................................... ..
514
Component Inspection (Condenser) ......................515
INFORMATION DISPLAY (ASCD) .................516
Component Function Check ..................................516
Diagnosis Procedure .............................................516
MALFUNCTION INDICATOR LAMP ..............517
Component Function Check ..................................517
Diagnosis Procedure .............................................517
ON BOARD REFUELING VAPOR RECOV-
ERY (ORVR) ....................................................
518
Component Function Check ................................ ..518
Diagnosis Procedure .............................................518
Component Inspection ...........................................520
REFRIGERANT PRESSURE SENSOR ..........523
Component Function Check ..................................523
Diagnosis Procedure .............................................523
SENSOR POWER SUPPLY 2 CIRCUIT .........525
Description .............................................................525
Diagnosis Procedure .............................................525
SYMPTOM DIAGNOSIS ............................527
ENGINE CONTRO L SYSTEM ........................527
Symptom Table ................................................... ..527
INFORMATION DISPLAY IS MALFUNCTION-
ING ..................................................................
532
Diagnosis Procedure ........................................... ..532
NORMAL OPERATING CONDITION .............533
Description .............................................................533
PERIODIC MAINTENANCE ......................534
IDLE SPEED .... ...............................................534
Inspection ............................................................ ..534
IGNITION TIMING ...........................................535
Inspection ..............................................................535
EVAPORATIVE EMISSION SYSTEM .............536
Inspection ..............................................................536
EVAP LEAK CHECK ......................................537
Inspection ..............................................................537
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-8
POSITIVE CRANKCASE VENTILATION ........539
Inspection ............................................................ ..539
REMOVAL AND INSTALLATION ..............540
ECM ................................................................ .540
Removal and Installation ..................................... ..540
SERVICE DATA AND SPECIFICATIONS
(SDS) .............. ............................................
541
SERVICE DATA AND SPECIFICATIONS
(SDS) ............................................................... .
541
Idle Speed ........................................................... ..541
Ignition Timing .......................................................541
Calculated Load Value ..........................................541
Mass Air Flow Sensor ............................................541
VQ35DE
PRECAUTION .............. ..............................
542
PRECAUTIONS .............................................. .542
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................. ..
542
On Board Diagnostic (OBD) System of Engine
and CVT .............................................................. ..
542
General Precautions ..............................................543
PREPARATION ..........................................546
PREPARATION .............................................. .546
Special Service Tools .......................................... ..546
Commercial Service Tools .....................................546
SYSTEM DESCRIPTION ...........................548
COMPONENT PARTS .................................... .548
ENGINE CONTROL SYSTEM .................................548
ENGINE CONTROL SYSTEM : Component Parts
Location ............................................................... ..
548
Accelerator Pedal Position Sensor ........................552
Air Fuel Ratio (A/F) Sensor 1 ................................552
ASCD Steering Switch ...........................................553
Battery Current Sensor (With Battery Tempera-
ture Sensor) ......................................................... ..
553
Camshaft Position Sensor (PHASE) .....................554
Cooling Fan ......................................................... ..554
Crankshaft Position Sensor (POS) ........................554
ECM .......................................................................555
Electric Throttle Control Actuator ......................... ..555
Electronic Controlled Engine Mount .................... ..556
Engine Coolant Temperature Sensor ....................556
Engine Oil Pressure Sensor ................................ ..557
Engine Oil Temperature Sensor ............................557
EVAP Canister ..................................... ..................557
EVAP Canister Purge Volu me Control Solenoid
Valve .................................................................... ..
557
EVAP Canister Vent Control Valve ........................558
EVAP Control System Pressu re Sensor ................558
Fuel Injector ......................................................... .558
Fuel Level Sensor Unit and Fuel Pump (With Fuel
Tank Temperature Sensor) .................................. .
558
Heated Oxygen Sensor 2 ......................................559
Ignition Coil (With Power Transistor) ....................560
Intake Valve Timing Control Solenoid Valve .........560
Knock Sensor ....................................................... .560
Malfunction Indicator lamp (MIL) ...........................560
Mass Air Flow Sensor (With Intake Air Tempera-
ture Sensor) ......................................................... .
560
Oil Pressure Warning Lamp ..................................561
Power Valve Actuator 1 and 2 ..............................561
Refrigerant Pressure Sensor ................................562
Stop Lamp Switch & Brak e Pedal Position Switch .562
VIAS Control Solenoid Valve 1 and 2 .................. .562
STRUCTURE AND OPERATION .....................563
Positive Crankcase Ventilation (PCV) ...................563
On Board Refueling Vapor Recovery (ORVR) ..... .564
SYSTEM ...........................................................565
ENGINE CONTROL SYSTEM ................................ .565
ENGINE CONTROL SYSTEM : System Descrip-
tion ....................................................................... .
565
ENGINE CONTROL SYSTEM : Fail-safe .............566
MULTIPORT FUEL INJECTION SYSTEM ............. .568
MULTIPORT FUEL INJECTION SYSTEM : Sys-
tem Description .................................................... .
568
ELECTRIC IGNITION SYSTEM ............................. .571
ELECTRIC IGNITION SYSTEM : System De-
scription ................................................................ .
571
AIR CONDITIONING CUT CONTROL ................... .572
AIR CONDITIONING CUT CONTROL : System
Description ........................................................... .
573
AUTOMATIC SPEED CONTROL DEVICE (ASCD) .574
AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : System Description ..................................... .
574
COOLING FAN CONTROL .................................... .575
COOLING FAN CONTROL : System Description .575
ELECTRONIC CONTROLLED ENGINE MOUNT .. .577
ELECTRONIC CONTROLLED ENGINE MOUNT
: System Description ............................................ .
577
EVAPORATIVE EMISSION SYSTEM .....................579
EVAPORATIVE EMISSION SYSTEM : System
Description ........................................................... .
580
THROTTLE CONTROL ...........................................581
THROTTLE CONTROL : Syst em Description ......581
INTAKE VALVE TIMING CONTROL ..................... .582
INTAKE VALVE TIMING CONTROL : System De-
scription ................................................................ .
583
ENGINE PROTECTION CONTROL AT LOW EN-
GINE OIL PRESSURE ........................................... .
583
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM