2003 Nissan Sentra Service and Repair Manual

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Factory-Grade Data

2003 Nissan Sentra service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • SE-R Sedan 4-Door
  • LE Sedan 4-Door
  • SE-R Spec V Sedan 4-Door
  • Limited Edition Sedan 4-Door
  • GXE Sport Sedan 4-Door
  • XE Sedan 4-Door
  • GXE Sedan 4-Door

Engines covered

  • 2.5L 2488CC 152Cu. In. l4 GAS DOHC Naturally Aspirated
  • 1.8L 1769CC l4 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2003 Nissan Sentra Recalls & Complaints

NHTSA #03V45500017/11/2003Component: ENGINE AND ENGINE COOLING

ON CERTAIN PASSENGER VEHICLES, THE CIRCUIT BOARD FOR THE CRANK POSITION SENSOR OR CAM POSITION SENSOR MAY HAVE AN IMPROPER SOLDER JOINT DUE TO SOLDER DEFORMATION CAUSED BY HEAT STRESS ACCELERATED BY T

Consequence

THIS COULD CAUSE THE "SERVICE ENGINE SOON" WARNING LIGHT TO COME ON, CREATE A NO START CONDITION, CA

Remedy

DEALERS WILL REPLACE THE CRANK POSITION SENSORS. CAMSHAFT POSITION SENSOR(S), AND IN SOME CASES, THE

NHTSA #15V28700015/05/2015Component: AIR BAGS

Nissan North America, Inc. (Nissan) is recalling certain model year 2001-2003 Nissan Maxima, 2002-2004 Pathfinder, 2002-2006 Sentra, 2002-2003 Infiniti QX4 and I35, 2003 FX35 and FX45, and 2001 I30 ve

Consequence

In the event of a crash necessitating deployment of the passenger's frontal air bag, the inflator co

Remedy

Nissan will notify owners, and dealers will replace the passenger air bag inflator, free of charge.

NHTSA #03V47700014/11/2003Component: ELECTRICAL SYSTEM:IGNITION:MODULE

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH THE QG18DE ENGINE OR QR25DE ENGINES, THE FOAM MATERIAL USED FOR THE INTERIOR LINING OF THE ELECTRONIC CONTROL MODULE (ECM) BOX EMITS SULFUR AS IT CURES.

Consequence

IF ONE OF THE RESISTORS INSIDE THE ECM HAS A CRACK ON THE SURFACE COATING, THE GAS MAY CAUSE CORROSI

Remedy

DEALERS WILL REMOVE THE INSIDE LINING MATERIAL FROM THE ECM BOX. OWNER NOTIFICATION BEGAN ON DECEMB

NHTSA #09E02500011/05/2009Component: EXTERIOR LIGHTING:HEADLIGHTS

DOPE, INC. IS RECALLING 42,540 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONF

Consequence

DECREASED LIGHTING VISIBILITY MAY RESULT IN A VEHICLE CRASH.

Remedy

DOPE, INC. WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE S

NHTSA #03V51100010/12/2003Component: ENGINE AND ENGINE COOLING

ON CERTAIN ELECTRIC VEHICLES, THE FRONT SUSPENSION TRANSVERSE LINK'S BALL JOINT BRACKET MAY BREAK FROM STRESS CONCENTRATION AT A NOTCH CREATED BY SURFACE ROUGHNESS AND THE SHAPE OF THE MATERIAL CUT-LI

Remedy

DEALERS WILL REPLACE THE BRACKET ON THESE VEHICLES. OWNER NOTIFICATION BEGAN DECEMBER 15, 2003.

NHTSA #22E06600009/08/2022Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Nissan North America, Inc. (Nissan) is recalling certain air bag inflator replacement service parts that may have been installed as part of a theft or collision repair. The parts include certain pass

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Dealers will inspect and replace the inflators as necessary, free of charge. Owner notification let

NHTSA #20V00800009/01/2020Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Nissan North America, Inc. (Nissan) is recalling certain 2001-2003 Maxima, 2002-2006 Sentra, 2002-2004 Pathfinder, 2007-2011 Versa Sedan and Versa Hatchback, 2001-2004 Infiniti I30 and I35, 2002-2003

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Nissan will notify owners, and dealers will replace the front passenger air bag inflators with alter

TSB #11031705

CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement Certification Label or VIN Plate/Label may be needed. HINT: Certification Label = FMVSS (Federal Motor Vehi

TSB #11031704

CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement Certification Label or VIN Plate/Label may be needed. HINT: Certification Label = FMVSS (Federal Motor Vehi

TSB #11004962

VEHICLE KEY NOT DETECTED / AUTHENTICATED, ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #11001201

WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #11001194

REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #11001191

WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #10243708

DIAGNOSIS OF VEHICLE PULL (DRIFT) AND/OR STEERING WHEEL OFF-CENTER This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #10239062

SILICONE-BASED LUBRICANT OR GREASE CAN DAMAGE ELECTRICAL COMPONENTS SERVICE INFORMATION Do not apply Silicone-based lubricants or grease to, or around, any interior electrical components. To avoid the risk of death or severe personal injury

Showing the 8 most recent of 68 technical service bulletins on file with NHTSA.

20040609Component: AIR BAGS:FRONTALCrash reported3 injured

WHILE DRIVING 40 MPH CONSUMER T-BONED ANOTHER VEHICLE DUE TO THE OTHER VEHICLE NOT STOPPING AT A TRAFFIC LIGHT. UPON IMPACT, BOTH FRONTAL AIR BAGS DID NOT DEPLOY.*AK

20050219Component: STRUCTURECrash reported2 injured

MY 2003 NISSAN SENTRA WAS REAR-ENDED BY A DRIVER TRAVELLING APPROXIMATELY 60 MPH. THE REAR SEAT VIRTUALLY COLLAPSED AND IF THERE WERE ANYONE SITTING THERE THEY WOULD HAVE BEEN KILLED. MY WIFE AND I WE

20041203Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITEDCrash reported1 injured

CONSUMER APPLIED THE BRAKES AND PEDAL WENT TO THE FLOOR. CONSUMER WAS UNABLE TO MAINTAIN CONTROL OF THE VEHICLE AND IT HIT A TREE. UPON IMPACT, BOTH FRONTAL AIR BAG DID NOT DEPLOY. DRIVER WAS NOT

20041203Component: AIR BAGS:FRONTALCrash reported1 injured

CONSUMER APPLIED THE BRAKES AND PEDAL WENT TO THE FLOOR. CONSUMER WAS UNABLE TO MAINTAIN CONTROL OF THE VEHICLE AND IT HIT A TREE. UPON IMPACT, BOTH FRONTAL AIR BAG DID NOT DEPLOY. DRIVER WAS NOT

20040709Component: SEATSCrash reported1 injured

I WAS INVOLVED IN AN AUTOMOBILE ACCIDENT ON JUNE 25, 2004. A LADY REAR-ENDED ME AND AS A RESULT MY ENTIRE BACK SEAT CAME LOOSE. MY CAR IS NOT SUPPOSED TO HAVE ACCESS TO THE TRUNK FROM THE INTERIOR S

Showing the 5 most serious of 240 complaints filed with NHTSA.

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