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QUICK REFERENCE INDEX Edition: July 2009 Revision: January 2010 Publication No. SM0E-1B16U1

A GENERAL INFORMATION

GI

General Information

B ENGINE

EM

Engine Mechanical

LU

Engine Lubrication System

CO

Engine Cooling System

EC

Engine Control System

FL

Fuel System

EX

Exhaust System

ACC

C

TRANSMISSION/ TRANSAXLE

D DRIVELINE/AXLE E SUSPENSION

F BRAKES

G STEERING H RESTRAINTS I

BODY

J AIR CONDITIONER K ELECTRICAL

L MAINTENANCE

Accelerator Control System

CL

Clutch

MT

Manual Transaxle

CVT

CVT

FAX

Front Axle

RAX

Rear Axle

FSU

Front Suspension

RSU

Rear Suspension

WT

Road Wheels & Tires

BR

Brake System

PB

Parking Brake System

BRC

Brake Control System

PS

Power Steering System

STC

Steering Control System

SB

Seat Belts

SRS

Supplemental Restraint System (SRS)

BL

Body, Lock & Security System

GW

Glasses, Window System & Mirrors

RF

Roof

EI

Exterior & Interior

IP

Instrument Panel

SE

Seat

MTC

Manual Air Conditioner

SC

Starting & Charging System

LT

Lighting System

DI

Driver Information System

WW

Wiper, Washer & Horn

BCS

Body Control System

LAN

LAN System

AV

Audio Visual, Navigation & Telephone System

ACS

Auto Cruise Control System

PG

Power Supply, Ground & Circuit Elements

MA

Maintenance

© 2010 NISSAN NORTH AMERICA, INC. All rights reserved. No part of this Service Manual may be reproduced or stored in a retrieval system, or transmitted in any form, or by any means, electronic, mechanical, photo-copying, recording or otherwise, without the prior written permission of Nissan North America, Inc. -1

A B C D E F G H I J K L M


This manual contains maintenance and repair procedures for the 2010 NISSAN SENTRA. In order to assure your safety and the efficient functioning of the vehicle, this manual should be read thoroughly. It is especially important that the PRECAUTIONS in the GI section be completely understood before starting any repair task. All information in this manual is based on the latest product information at the time of publication. The right is reserved to make changes in specifications and methods at any time without notice.

IMPORTANT SAFETY NOTICE The proper performance of service is essential for both the safety of the technician and the efficient functioning of the vehicle. The service methods in this Service Manual are described in such a manner that the service may be performed safely and accurately. Service varies with the procedures used, the skills of the technician and the tools and parts available. Accordingly, anyone using service procedures, tools or parts which are not specifically recommended by NISSAN must first be completely satisfied that neither personal safety nor the vehicle’s safety will be jeopardized by the service method selected.

-2


QUICK REFERENCE CHART: SENTRA 2010

QUICK REFERENCE CHART: SENTRA Engine Tune-up Data: MR20DE

INFOID:0000000006057183

GENERAL SPECIFICATIONS Engine type

MR20DE

Cylinder arrangement

In-line 4 cm3 (cu in)

Displacement Bore and stroke

mm (in)

1,997 (121.86) 84.0 x 90.1 (3.307 x 3.547)

Valve arrangement

DOHC

Firing order

1-3-4-2

Number of piston rings

Compression

2

Oil

1

Compression ratio

10.2

Compression pressure kPa (bar, kg/cm2, psi) / 250 rpm

Standard

1,390 (13.9, 14.2, 202)

Minimum

1,140 (11.4. 11.6, 165)

Differential limit between cylinders

100 (1.0, 1.0, 15)

DRIVE BELT Tension of drive belt

Auto adjustment by auto-tensioner

SPARK PLUG Unit: mm (in)

Application

Except for California

For California

NGK

Denso

PLZKAR6A-11

FXE20HR-11

Make Standard type* Spark plug gap

Nominal: 1.1 (0.043)

*: Always check with the Parts Department for the latest parts information

Engine Tune-up Data: QR25DE

INFOID:0000000006057182

GENERAL SPECIFICATIONS Model

SE-R

Cylinder arrangement Displacement

cm3

Bore and stroke

SE-R Spec V In-line 4

(in3)

2,488 (151.82)

mm (in)

89.0 x 100 (3.50 x 3.94)

Valve arrangement

DOHC

Firing order

1-3-4-2

Number of piston rings Compression ratio

Compression

2

Oil

1 9.5:1

10.5:1


QUICK REFERENCE CHART: SENTRA 2010 Compression pressure kPa (kg/cm2, psi) / 250 rpm

Standard

1,250 (12.8, 181.3)

Minimum

1,060 (10.8, 153.7)

Differential limit between cylinders

100 (1.0, 14)

Valve timing

PBIC0187E

Unit: degree a

b

c

d

e

f

224°

244°

64°

41°

DRIVE BELTS Tension of drive belts

Auto adjustment by auto tensioner

SPARK PLUG Unit: mm (in)

Make

NGK

Type*

Standard

DILKAR6A-11

Gap (nominal)

1.1 (0.043)

*: Always check with the Parts Department for the latest parts information

Front Wheel Alignment (Unladen*)

INFOID:0000000006057181

Engine

MR20DE

QR25DE

Model

2.0, 2.0 S, 2.0 SR, 2.0 SL, 2.0 FFV

SE-R, SE-R SPEC-V

Minimum

-0° 31′ (-0.52°)

-0° 46′ (-0.77°)

Nominal

0° 7′ (0.12°)

-0° 8′ (-0.13°)

Maximum

0° 45′ (0.75°)

0° 30′ (0.50°)

LH Camber Degree minute (Decimal degree)*1 RH

LH Caster Degree minute (Decimal degree)*2 RH

Minimum

-0° 45′ (-0.75°)

-1° 0′ (-1.00°)

Nominal

-0° 7′ (-0.12°)

-0° 22′ (-0.37°)

Maximum

0° 31′ (0.52°)

0° 16′ (0.27°)

Minimum

4° 5′ (4.08°)

4° 25′ (4.42°)

Nominal

4° 43′ (4.72°)

5° 3′ (5.05°)

Maximum

5° 21′ (5.35°)

5° 41′ (5.68°)

Minimum

4° 19′ (4.32°)

4° 39′ (4.65°)

Nominal

4° 57′ (4.95°)

5° 17′ (5.28°)

Maximum Kingpin inclination Degree minute (Decimal degree)

5° 35′ (5.58°)

5° 55′ (5.92°)

LH

10° 48′ (10.80°)

11° 13′ (11.22°)

RH

11° 2′ (11.03°)

11° 27′ (11.45°)


QUICK REFERENCE CHART: SENTRA 2010

SFA234AC

Distance (A - B) Total toe-in Angle (left or right, each side) Degree minute (Degree)

Minimum

-0.8 mm (-0.03 in)

-1 mm (-0.04 in)

Nominal

0.2 mm (0.01 in)

0 mm (0.00 in)

Maximum

1.2 mm (0.05 in)

1 mm (0.04 in)

Minimum

-0° 2′ 12" (-0.04°)

-0° 2′ 42" (-0.045°)

Nominal

0° 0′ 30" (0.01°)

0° 00′ (0.00°)

Maximum

0° 3’ 12" (0.05°)

0° 2′ 42" (0.045°)

*: Fuel, engine coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions. *1: The LH camber angle shall be +14’ ± 39’ with repect to RH camber angle. *2: The LH caster angle shall be -14’ ± 39’ with repect to RH caster angle.

Rear Wheel Alignment (Unladen*)

INFOID:0000000006057179

SEIA0363E

Model

2.0, 2.0 S, 2.0 SR, 2.0 SL

SE-R

SE-R SPEC-V

Minimum

– 2° 00′ (– 2.00°)

– 2° 00′ (– 2.00°)

– 2° 00′ (– 2.00°)

Nominal

– 1° 30′ (– 1.50°)

– 1° 30′ (– 1.50°)

– 1° 30′ (– 1.50°)

Maximum

– 1° 00′ (– 1.00°)

– 1° 00′ (– 1.00°)

– 1° 00′ (– 1.00°)

Minimum

– 3.0 mm ( – 0.118 in)

– 2.0 mm ( – 0.079 in)

– 1.0 mm (– 0.039 in)

Distance (A - B)

Nominal

1.0 mm (0.039 in)

2.0 mm (0.079 in)

3.0 mm (0.118 in)

Maximum

5.0 mm (0.197 in)

6.0 mm (0.236 in)

7.0 mm (0.276 in)

Angle (A-B) Per wheel Degree minute (Decimal degree)

Minimum

– 0° 8′ (– 0.14°)

– 0° 5′ (– 0.09°)

– 0° 3′ (– 0.05°)

Nominal

0° 3′ (0.05°)

0° 5′ (0.09°)

0° 8′ (0.14°)

Maximum

0° 14′ (0.23°)

0° 17′ (0.28°)

0° 19′ (0.32°)

Camber Degree minute (Decimal degree)

Total toe-in

*: Fuel, engine coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.


QUICK REFERENCE CHART: SENTRA 2010

Wheelarch Height (Unladen*)

INFOID:0000000006057180

LEIA0085E

Engine

MR20DE

Model Tire Size

QR25DE

2.0

2.0 S, 2.0 SR, 2.0 SL

SE-R

SE-R SPEC-V

P205/60HR15

P205/55HR16

P225/45VR17

P225/45WR17

Front (Hf) mm (in)

691 (27.20)

694 (27.32)

690 (27.17)

679 (26.73)

Rear (Hr) mm (in)

693 (27.28)

696 (27.40)

690 (27.17)

677 (26.65)

*: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.

Brake Specification

INFOID:0000000006057177

Unit: mm (in)

MR20DE

Applied model Front disc brake

Brake model Cylinder bore diameter Pad thickness Rotor outer diameter × thickness

Rear disc brake

Rear drum brake

QR25DE

Base, S, SR, SL

SE-R

SE-R SPEC-V

CLZ25VB

CLZ25VJ

AD25V

57.2 (2.252)

57.2 (2.252)

57.15 (2.250)

11 (0.433)

11 (0.433)

11 (0.433)

280 × 24.0 (11.02 × 0.945)

296 × 26.0 (11.65 × 1.024)

320 × 28.0 (12.60 × 1.102)

Brake model

AD9A/DS17

Cylinder bore diameter

34.93 (1.375)

Pad thickness

8.5 (0.335)

Rotor outer diameter × thickness

292 × 9.0 (11.50 × 0.354)

Brake model Cylinder bore diameter Lining Length × width × thickness Drum inner diameter

Master cylinder

Cylinder bore diameter

Brake booster

Booster model Diaphragm diameter

Recommended brake fluid

LT23E

19.05 (0.750)

194.1 × 35 × 2.9 (7.642 × 1.378 × 0.114)

228.6 (9.000)

23.81 (0.937) C255 255 (10.04) DOT 3


QUICK REFERENCE CHART: SENTRA 2010

Brake Pedal

INFOID:0000000006057178

Unit: mm (in)

AWFIA0557ZZ

Brake pedal height (H) (from dash lower panel top surface) Brake pedal full stroke (S) [under a force of 490 N (50 kg-f, 110 lb-f) with engine running]

CVT

164.0 - 174.0 (6.46 - 6.85)

M/T

164.0 - 174.0 (6.46 - 6.85)

CVT

135.1 (5.32)

M/T

135.1 (5.32)

Clearance between stopper bracket and threaded end of the stop lamp switch and ASCD cancel switch (C1 and C2)

0.74 - 1.96 (0.0291 - 0.0772)

Front Disc Brake

INFOID:0000000006057174

CLZ25VB Unit: mm (in)

Brake pad

Disc rotor

Standard thickness (new)

11 (0.433)

Repair limit thickness

2.0 (0.079)

Standard thickness (new)

24.0 (0.945)

Repair limit thickness

22.0 (0.866)

Runout limit Maximum uneven wear (measured at 8 positions)

0.035 (0.0014) 0.02 mm (0.0008 in) or less

CLZ25VJ Unit: mm (in)

Brake pad

Disc rotor

Standard thickness (new)

11 (0.433)

Repair limit thickness

2.0 (0.079)

Standard thickness (new)

26.0 (1.024)

Repair limit thickness

24.0 (0.945)

Runout limit Maximum uneven wear (measured at 8 positions)

AD25V

0.035 (0.0014) 0.02 mm (0.0008 in) or less


QUICK REFERENCE CHART: SENTRA 2010 Unit: mm (in)

Brake pad

Disc rotor

Standard thickness (new)

11 (0.433)

Repair limit thickness

2.0 (0.079)

Standard thickness (new)

28.0 (1.102)

Repair limit thickness

26.0 (1.024)

Runout limit

0.035 (0.0014)

Maximum uneven wear (measured at 8 positions)

0.02 mm (0.0008 in) or less

Rear Disc Brake

INFOID:0000000006057175

DA9A/DS17 Unit: mm (in)

Brake pad

Disc rotor

Standard thickness (new)

8.5 (0.335)

Repair limit thickness

2.0 (0.079)

Standard thickness (new)

9.0 (0.354)

Repair limit thickness

8.0 (0.315)

Runout limit

0.07 (0.0028)

Maximum uneven wear (measured at 8 positions)

0.015 mm (0.0006 in) or less

Rear Drum Brake

INFOID:0000000006057176

LT23E Unit: mm (in)

Brake lining

Drum

Standard thickness (new)

2.9 (0.114)

Repair limit thickness

1.5 (0.059)

Standard inner diameter (new)

228.6 (9.000)

Repair limit inner diameter

230.0 (9.055)

Fluids and Lubricants: MR20DE Description Fuel Engine oil Drain and refill

With oil filter change Without oil filter change

INFOID:0000000006057172

Capacity (Approximate) Liter

US measure

Imp measure

55.0

14 1/2 gal

12 1/8 gal

3.9

4 1/8 qt

3 3/8 qt

3.6

3 7/8 qt

3 1/8 qt

Dry engine (engine overhaul)

4.4

4 5/8 qt

3 7/8 qt

Cooling system (with reservoir at MAX level)

7.0

7 3/8 qt

6 1/8 qt

Manual transaxle fluid (MTF)

2.0

4 1/4 pt

3 1/2 pt

CVT fluid

7.3

7 3/4 qt

6 3/8 qt

Brake and clutch fluid

Multi-purpose grease

Windshield washer fluid

3.5

3 3/4 qt

3 1/8 qt

0.50 ± 0.05 kg

1.10 ± 0.11 lb

1.10 ± 0.11 lb

5.03 fl oz

5.3 fl oz

Air conditioning system refrigerant Air conditioning system oil

150 m


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QUICK REFERENCE CHART: SENTRA 2010

Fluids and Lubricants: QR25DE

INFOID:0000000006057173

Capacity (Approximate)

Description Fuel

Liter

US measure

Imp measure

55.0

14 1/2 gal

12 1/8 gal

With oil filter change

4.3

4 1/2 qt

3 3/4 qt

Without oil filter change

4.0

4 1/4 qt

3 1/2 qt

5.1

5 3/8 qt

4 1/2 qt

M/T models

6.9

7 1/4 qt

6 1/8 qt

CVT models

7.1

7 1/2 qt

6 1/4 qt

Manual transaxle fluid (MTF)

1.7

3 5/8 pt

3 pt

CVT fluid

7.5

7 7/8 qt

6 5/8 qt

Brake and clutch fluids

Multi-purpose grease

Windshield washer fluid

3.5

3 3/4 qt

3 1/8 qt

0.50 ± 0.05 kg

1.10 ± 0.11 lb

1.10 ± 0.11 lb

5.03 fl oz

5.3 fl oz

Engine oil Drain and refill Dry engine (engine overhaul) Cooling system (with reservoir at MAX level)

Air conditioning system refrigerant Air conditioning system oil

150 m


GENERAL INFORMATION

SECTION

GI

GENERAL INFORMATION

GI

B

C

D

E

CONTENTS SERVICE INFORMATION ............................ 2

How to Check Terminal ...........................................23 How to Perform Efficient Diagnosis for an Electrical Incident ..............................................................26 Control Units and Electrical Parts ............................33

PRECAUTIONS ................................................... 2 Description ................................................................ 2 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" ................................................................... 2 Precaution Necessary for Steering Wheel Rotation After Battery Disconnect ..................................... 2 General Precaution ................................................... 3 Precaution for Three Way Catalyst ........................... 4 Precaution for Fuel (Unleaded Regular Gasoline Recommended) MR20DE and QR25DE Except SE-R Spec-V ............................................................. 4 Precaution for Fuel (Unleaded Premium Gasoline Required) QR25DE SE-R Spec-V Only .................... 5 Precaution for Multiport Fuel Injection System or Engine Control System ............................................. 5 Precaution for Hoses ................................................. 5 Precaution for Engine Oils ........................................ 6 Precaution for Air Conditioning ................................. 7

HOW TO USE THIS MANUAL ............................ 8 Description ................................................................ 8 Terms ........................................................................ 8 Units .......................................................................... 8 Contents .................................................................... 8 Relation between Illustrations and Descriptions ...... 9 Component ................................................................ 9 How to Follow Trouble Diagnosis ............................ 10 How to Read Wiring Diagram .................................. 14 Abbreviations .......................................................... 21

G

CONSULT-III CHECKING SYSTEM ................. 36 Description ...............................................................36 Function and System Application ............................36 CONSULT-III Data Link Connector (DLC) Circuit....37

H

LIFTING POINT ................................................. 39

I

Special Service Tool ................................................39 Garage Jack and Safety Stand and 2-Pole Lift .......39 Board-On Lift ...........................................................40

J

TOW TRUCK TOWING ..................................... 41 Tow Truck Towing ...................................................41 Vehicle Recovery (Freeing a Stuck Vehicle) ...........41

TIGHTENING TORQUE OF STANDARD BOLTS ............................................................... 43

K

Tightening Torque Table .........................................43

L

RECOMMENDED CHEMICAL PRODUCTS AND SEALANTS ............................................... 44

M

Recommended Chemical Product and Sealant .......44

IDENTIFICATION INFORMATION .................... 45 Model Variation ........................................................45 Dimensions ..............................................................48 Wheels & Tires ........................................................48

TERMINOLOGY ................................................ 49

SERVICE INFORMATION FOR ELECTRICAL INCIDENT ...........................................................23

Revision: January 2010

F

GI-1

N

O

SAE J1930 Terminology List ...................................49 P

2010 Sentra


PRECAUTIONS < SERVICE INFORMATION >

SERVICE INFORMATION PRECAUTIONS Description

INFOID:0000000005282865

Observe the following precautions to ensure safe and proper servicing. These precautions are not described in each individual section.

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"

INFOID:0000000005570705

The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted. Information necessary to service the system safely is included in the SRS and SB section of this Service Manual. WARNING: • To avoid rendering the SRS inoperative, 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 incorrect removal and installation of the SRS, can lead to personal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag Module, see the SRS section. • Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or harness 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 Ignition ON or engine running, DO NOT use air or electric 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 3 minutes before performing any service.

Precaution Necessary for Steering Wheel Rotation After Battery Disconnect INFOID:0000000005282867

NOTE: • This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYSTEM). • Remove and install all control units after disconnecting both battery cables with the ignition knob in the ″LOCK″ position. • Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work. If DTC is detected, perform trouble diagnosis according to self-diagnostic results. For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mechanism is adopted on the key cylinder. For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and steering wheel rotation will become impossible. If steering wheel rotation is required when battery power is interrupted, follow the procedure below before starting the repair operation.

OPERATION PROCEDURE 1.

Connect both battery cables. NOTE: Supply power using jumper cables if battery is discharged.

Revision: January 2010

GI-2

2010 Sentra


PRECAUTIONS < SERVICE INFORMATION > 2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC″ position. At this time, the steering lock will be released. GI 3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated. 4. Perform the necessary repair operation. B 5. When the repair work is completed, return the ignition switch to the ″LOCK″ position before connecting the battery cables. (At this time, the steering lock mechanism will engage.) C 6. Perform a self-diagnosis check of all control units using CONSULT-III.

General Precaution

INFOID:0000000005282868

D

• Do not operate the engine for an extended period of time without proper exhaust ventilation. Keep the work area well ventilated and free of any flammable materials. Special care should be taken when handling any flammable or poisonous materials, such as gasoline, refrigerant gas, etc. When working in a pit or other enclosed area, be sure to properly ventilate the area before working with hazardous materials. Do not smoke while working on the vehicle.

E

F

SGI285

• Before jacking up the vehicle, apply wheel chocks or other tire blocks to the wheels to prevent the vehicle from moving. After jacking up the vehicle, support the vehicle weight with safety stands at the points designated for proper lifting before working on the vehicle. These operations should be done on a level surface. • When removing a heavy component such as the engine or transaxle/transmission, be careful not to lose your balance and drop them. Also, do not allow them to strike adjacent parts, especially the brake tubes and master cylinder.

G

H

I

J

SGI231

• Before starting repairs which do not require battery power: Turn off ignition switch. Disconnect the negative battery terminal. • If the battery terminals are disconnected, recorded memory of radio and each control unit is erased. • Battery posts, terminals and related accessories contain lead and lead compounds. Wash hands after handling.

K

L

M

N SEF289H

• To prevent serious burns: Avoid contact with hot metal parts. Do not remove the radiator cap when the engine is hot. • Dispose of or recycle drained oil or the solvent used for cleaning parts in an appropriate manner. • Do not attempt to top off the fuel tank after the fuel pump nozzle shuts off automatically. Continued refueling may cause fuel overflow, resulting in fuel spray and possibly a fire. • Clean all disassembled parts in the designated liquid or solvent prior to inspection or assembly. Revision: January 2010

GI-3

O

P

SGI233

2010 Sentra


PRECAUTIONS < SERVICE INFORMATION > • Replace oil seals, gaskets, packings, O-rings, locking washers, cotter pins, self-locking nuts, etc. with new ones. • Replace inner and outer races of tapered roller bearings and needle bearings as a set. • Arrange the disassembled parts in accordance with their assembled locations and sequence. • Do not touch the terminals of electrical components which use microcomputers (such as ECM). Static electricity may damage internal electronic components. • After disconnecting vacuum or air hoses, attach a tag to indicate the proper connection. • Use only the fluids and lubricants specified in this manual. • Use approved bonding agent, sealants or their equivalents when required. • Use hand tools, power tools (disassembly only) and recommended special tools where specified for safe and efficient service repairs. • When repairing the fuel, oil, water, vacuum or exhaust systems, check all affected lines for leaks.

PBIC0190E

• Before servicing the vehicle: Protect fenders, upholstery and carpeting with appropriate covers. Take caution that keys, buckles or buttons do not scratch paint.

SGI234

WARNING: To prevent ECM from storing the diagnostic trouble codes, do not carelessly disconnect the harness connectors which are related to the engine control system and TCM (transmission control module) system. The connectors should be disconnected only when working according to the WORK FLOW of TROUBLE DIAGNOSES in EC and CVT sections.

Precaution for Three Way Catalyst

INFOID:0000000005282869

If a large amount of unburned fuel flows into the catalyst, the catalyst temperature will be excessively high. To prevent this, follow the instructions. • Use unleaded gasoline only. Leaded gasoline will seriously damage the three way catalyst. • When checking for ignition spark or measuring engine compression, make tests quickly and only when necessary. • Do not run engine when the fuel tank level is low, otherwise the engine may misfire, causing damage to the catalyst. Do not place the vehicle on flammable material. Keep flammable material off the exhaust pipe and the three way catalyst.

Precaution for Fuel (Unleaded Regular Gasoline Recommended) MR20DE and QR25DE Except SE-R Spec-V

INFOID:0000000005282870

Use unleaded regular gasoline with an octane rating of at least 87 AKI (Anti-Knock Index) number (research octane number 91). E-85 fuel (85% fuel ethanol, 15% unleaded gasoline) may only be used in vehicles specifically designed for E-85 fuel (i.e. Flexible Fuel Vehicle - FFV models). CAUTION: Do not use leaded gasoline. Using leaded gasoline will damage the three way catalyst. Using a fuel other than that specified could adversely affect the emission control devices and systems, and could Revision: January 2010

GI-4

2010 Sentra


PRECAUTIONS < SERVICE INFORMATION > also affect the warranty coverage validity. Do not use E-85 fuel (85% fuel ethanol, 15% unleaded gasoline) unless the vehicle is specifically designed for E-85 fuel (i.e. Flexible Fuel Vehicle - FFV models). GI

Precaution for Fuel (Unleaded Premium Gasoline Required) QR25DE SE-R Spec-V Only

INFOID:0000000005282871

Use unleaded premium gasoline with an octane rating of at least 91 AKI (Anti-Knock Index) number (Research octane number 96).

B

C

If unleaded premium gasoline is not available, unleaded regular gasoline with an octane rating of at least 87 AKI number (Research octane number 91) can be used, but only under the following precautions: • have the fuel tank filled only partially with unleaded regular gasoline, and fill up with unleaded premium gasoline as soon as possible. • avoid full throttle driving and abrupt acceleration. However, for maximum vehicle performance, the use of unleaded premium gasoline is recommended.

D

CAUTION: Do not use leaded gasoline. Using leaded gasoline will damage the three way catalyst. Do not use E-85 fuel (85% fuel ethanol, 15% unleaded gasoline) unless the vehicle is specifically designed for E-85 fuel (i.e. Flexible Fuel Vehicle - FFV models). Using a fuel other than that specified could adversely affect the emission control devices and systems, and could also affect the warranty coverage validity.

F

Precaution for Multiport Fuel Injection System or Engine Control System

G

INFOID:0000000005282872

• Before connecting or disconnecting any harness connector for the multiport fuel injection system or ECM: Turn ignition switch to “OFF” position. Disconnect negative battery terminal. Otherwise, there may be damage to ECM. • Before disconnecting pressurized fuel line from fuel pump to injectors, be sure to release fuel pressure. • Be careful not to jar components such as ECM and mass air flow sensor.

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Precaution for Hoses

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HOSE REMOVAL AND INSTALLATION

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• To prevent damage to rubber hose, do not pry off rubber hose with tapered tool or screwdriver.

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SMA019D

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Revision: January 2010

GI-5

2010 Sentra


PRECAUTIONS < SERVICE INFORMATION > • To reinstall the rubber hose securely, make sure that hose insertion length and orientation is correct. (If tube is equipped with hose stopper, insert rubber hose into tube until it butts up against hose stopper.)

SMA020D

HOSE CLAMPING • If old rubber hose is re-used, install hose clamp in its original position (at the indentation where the old clamp was). If there is a trace of tube bulging left on the old rubber hose, align rubber hose at that position. • Discard old clamps; replace with new ones.

SMA021D

• After installing plate clamps, apply force to them in the direction of the arrow, tightening rubber hose equally all around.

SMA022D

Precaution for Engine Oils

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Prolonged and repeated contact with used engine oil may cause skin cancer. Try to avoid direct skin contact with used oil. If skin contact is made, wash thoroughly with soap or hand cleaner as soon as possible.

HEALTH PROTECTION PRECAUTIONS • • • • • • • • • • • •

Avoid prolonged and repeated contact with oils, particularly used engine oils. Wear protective clothing, including impervious gloves where practicable. Do not put oily rags in pockets. Avoid contaminating clothes, particularly underpants, with oil. Heavily soiled clothing and oil-impregnated footwear should not be worn. Overalls must be cleaned regularly. First aid treatment should be obtained immediately for open cuts and wounds. Use barrier creams, applying them before each work period, to help the removal of oil from the skin. Wash with soap and water to ensure all oil is removed (skin cleansers and nail brushes will help). Preparations containing lanolin replace the natural skin oils which have been removed. Do not use gasoline, kerosene, diesel fuel, gas oil, thinners or solvents for cleaning skin. If skin disorders develop, obtain medical advice without delay. Where practical, degrease components prior to handling. Where there is a risk of eye contact, eye protection should be worn, for example, chemical goggles or face shields; in addition an eye wash facility should be provided.

Revision: January 2010

GI-6

2010 Sentra

Profile for 1636571

2010 Nissan Sentra Service Repair Manual  

2010 Nissan Sentra Service Repair Manual  

Profile for 1636571
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