
HOOD
DLK-177
< REMOVAL AND INSTALLATION >
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2. Attach the hood lock release cable (3) and the fuel filler door release cable (2) to the hood lock/fuel filler door release handle
assembly (1).
3. Place hood lock/fuel filler door release handle assembly in posi- tion and retain with bolts (A).
4. Check that the cable is not offset from the center of the grommet
and seat the grommet into the upper dash hole.
NOTE:
Make sure that the marked area (A) of the cable is located as
shown after mounting grommet to dash upper assembly.
Apply sealant around the grommet at * mark.
5. Position the hood lock release cable and clip it into place.
6. Install the hoodledge finisher (LH) and retain with clips.
7. Connect the hood lock release cable to the hood lock assembly.
8. Install the fender protector (LH). Refer to EXT-26, "FENDER PROTECTOR : Removal and Installation"
.
9. Perform hood fitting adjustment. Refer to DLK-172, "HOOD ASSEMBLY : Adjustment"
.
10. Perform the hood lock control inspection.
INSPECTION
NOTE:
If the hood lock release cable is bent or deformed, replace it.
1. Check that the secondary latch is properly engaged wi th the secondary striker and meets specification
provided (B) with hood's own weight.
ALKIA2665ZZ
ALKIA2139ZZ
PIIB5802E
PIIB5794E
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

FUEL FILLER LID OPENERDLK-213
< REMOVAL AND INSTALLATION >
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FUEL FILLER LID OPENER
Exploded ViewINFOID:0000000009461961
FUEL FILLER LID
FUEL FILLER LID : Re moval and InstallationINFOID:0000000009461962
REMOVAL
1. Fully open fuel filler lid.
2. Remove fuel cap pin (1).
1. Fuel filler lid opener cable 2. Spring 3. Fuel filler lid
4. Bumper rubber 5. Fuel filler lid lock A. Clip
B. Cable protector
ALKIA2730ZZ
JMKIA8137ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DLK-214
< REMOVAL AND INSTALLATION >
FUEL FILLER LID OPENER
3. Remove fuel filler lid screws (A) and fuel filler lid (1).
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
After installation, check fuel filler li d assembly open/close, lock/unlock operation.
NOTE:
• The following table shows the specifications for a correctly installed fuel filler lid.
• Fitting adjustment cannot be performed.
Unit: mm (in)
FUEL FILLER OP ENER CABLE
FUEL FILLER OPENER CABLE : Removal and InstallationINFOID:0000000009461963
REMOVAL
1. Remove hood and fuel filler handle assembly bolts (A).
2. Disengage fuel filler lid opener cable (2) by pulling downward and then sliding cable end to the side to remove from hood and
fuel filler handle assembly (1).
3. Remove dash side finisher (LH). Refer to INT-20, "DASH SIDE FINISHER : Removal and Installation"
.
4. Remove center pillar lower finisher (LH). Refer to INT-23, "CENTER PILLAR LOWER FINISHER :
Removal and Installation".
5. Remove rear seat bolster (LH). Refer to SE-38, "Removal and Installation - Rear Seat Bolster"
.
ALKIA2732ZZ
Portion Measurement Standard
Fuel filler lid – Body side outer Clearance 3.5 ± 1.0 (0.14 ± 0.04)
Fuel filler lid – Body side outer Surface height 0.0 ± 1.0 (0.0 ± 0.04)
JMKIA7998ZZ
JMKIA7999ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

FUEL FILLER LID OPENERDLK-215
< REMOVAL AND INSTALLATION >
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6. Remove trunk side finisher (LH). Refer to INT-34, "TRUNK SIDE FINISHER : Removal and Installation".
7. Remove fuel filler lid opener cable from fuel filler lid lock assembly. Refer to DLK-215, "FUEL FILLER LID
LOCK : Removal and Installation".
8. Disengage each harness protector (1), and then remove fuel filler lid opener cable (2).
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
After installation, check fuel filler li d assembly open/close, lock/unlock operation.
FUEL FILLER LID LOCK
FUEL FILLER LID LOCK : Removal and InstallationINFOID:0000000009461964
REMOVAL
1. Fully open fuel filler lid.
2. Insert a suitable tool (A) as shown into bottom of fuel filler lock assembly(1).
3. Release lower pawls (A) using a suitable tool and remove fuel filler lid lock assembly (1) from opening.
CAUTION:
Be careful not to damage gasket (2) when removing.
JMKIA5720ZZ
ALKIA2731ZZ
JMKIA8138ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

DLK-216
< REMOVAL AND INSTALLATION >
FUEL FILLER LID OPENER
4. Disconnect fuel filler lid opener cable (1) by pulling downwardand then sliding cable end to the side to remove from fuel filler
lid lock assembly (2).
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
After installation, check fuel filler li d assembly open/close, lock/unlock operation.
JMKIA8139ZZ
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM

EC-1
ENGINE
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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
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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
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EC-3
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Description ..........................................................
..
181
Work Procedure ....................................................181
FUEL PRESSURE .......................................... ..182
Work Procedure .................................................. ..182
HOW TO SET SRT CODE ................................183
Description .......................................................... ..183
SRT Set Driving Pattern ........................................184
Work Procedure ....................................................186
HOW TO ERASE PERMANENT DTC ..............189
Description .......................................................... ..189
Work Procedure (Group A) ...................................190
Work Procedure (Group B) ...................................192
DTC/CIRCUIT DIAGNOSIS .......................195
TROUBLE DIAGNOSIS - SPECIFICATION
VALUE ............................................................ ..
195
Description .......................................................... ..195
Component Function Check ..................................195
Diagnosis Procedure .............................................196
POWER SUPPLY AND GROUND CIRCUIT ....203
Diagnosis Procedure ........................................... ..203
U0101 CAN COMM CIRCUIT ...........................207
Description .......................................................... ..207
DTC Logic .............................................................207
Diagnosis Procedure .............................................207
U1001 CAN COMM CIRCUIT ...........................208
Description .......................................................... ..208
DTC Logic .............................................................208
Diagnosis Procedure .............................................208
P0011 IVT CONTROL ......................................209
DTC Logic ........................................................... ..209
Diagnosis Procedure .............................................210
Component Inspection ..........................................211
P0014 EVT CONTROL .....................................212
DTC Logic ........................................................... ..212
Diagnosis Procedure .............................................213
Component Inspection ..........................................214
P0031, P0032 A/F SENSOR 1 HEATER .........215
DTC Logic ........................................................... ..215
Diagnosis Procedure .............................................215
Component Inspection ..........................................216
P0037, P0038 HO2S2 HEATER .......................218
DTC Logic ........................................................... ..218
Diagnosis Procedure .............................................218
Component Inspection ..........................................219
P0075 INTAKE VALVE TIMING CONTROL ....221
DTC Logic ........................................................... ..221
Diagnosis Procedure .............................................221
Component Inspection (IVT Control Solenoid
Valve) .................................................................. ..
223
Component Inspection (IVT Intermediate Lock
Control Solenoid Valve) ....................................... ..
224
P0078 EVT CONTROL SOLENOID VALVE ...225
DTC Logic ..............................................................225
Diagnosis Procedure .............................................225
Component Inspection ...........................................226
P0101 MAF SENSOR .....................................228
DTC Logic ..............................................................228
Diagnosis Procedure .............................................228
Component Inspection ...........................................230
P0102, P0103 MAF SENSOR .........................232
DTC Logic ..............................................................232
Diagnosis Procedure .............................................232
Component Inspection ...........................................234
P010A MANIFOLD ABSOLUTE PRESSURE
SENSOR ..........................................................
236
DTC Logic ............................................................ ..236
Diagnosis Procedure .............................................236
Component Inspection (MAP Sensor) ...................237
P0111 IAT SENSOR .......................................239
DTC Logic ..............................................................239
Component Function Check ..................................240
Diagnosis Procedure .............................................240
Component Inspection ...........................................240
P0112, P0113 IAT SENSOR ...........................241
DTC Logic ..............................................................241
Diagnosis Procedure .............................................241
Component Inspection ...........................................242
P0116 ECT SENSOR ......................................243
DTC Logic ..............................................................243
Component Function Check ..................................244
Diagnosis Procedure .............................................244
Component Inspection ...........................................244
P0117, P0118 ECT SENSOR ..........................245
DTC Logic ..............................................................245
Diagnosis Procedure .............................................245
Component Inspection ...........................................246
P0122, P0123 TP SENSOR ............................248
DTC Logic ..............................................................248
Diagnosis Procedure .............................................248
Component Inspection ...........................................250
P0125 ECT SENSOR ......................................251
DTC Logic ..............................................................251
Diagnosis Procedure .............................................251
Component Inspection ...........................................252
P0127 IAT SENSOR .......................................253
DTC Logic ..............................................................253
Diagnosis Procedure .............................................253
Component Inspection ...........................................254
P0128 THERMOSTAT FUNCTION .................255
Revision: November 20132014 Altima NAMRevision: November 20132014 Altima NAM