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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Nissan Altima car and truck repair procedures including Nissan engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 2003 Nissan Altima automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2003 Nissan Altima

  • 2003 Nissan Altima 2.5 L4 GAS, CC:2500, Fuel Injection
  • 2003 Nissan Altima 3.5 V6 GAS, CC:3498, Fuel Injection

COMPONENT LOCATION DIAGRAMS FOR 2003 Nissan Altima AUTOMOBILES

Component location diagrams for most 2003 Nissan Altima cars and light trucks sold in the U.S. from 1990+.

Sunroof Components and Harness Connector Location Diagram for 2003 Nissan Altima  2.5 L4 GASSunroof Components and Harness Connector Location Diagram for 2003 Nissan Altima 2.5 L4 GAS

Components on diagram:
  • BCM
  • Junction Block
  • Sunroof Switch
  • Sunroof Motor Assembly
  • Connector C-10A
  • Auto Light System Components and Harness Connector Location Diagram for 2003 Nissan Altima  2.5 L4 GASAuto Light System Components and Harness Connector Location Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • Horn Relay
  • Key Lock Solenoid
  • Key Switch
  • BCM
  • Door Switch
  • Body Harness Components Diagram for 2003 Nissan Altima  2.5 L4 GASBody Harness Components Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • Brake Fluid Level Switch
  • Horn Relay
  • Wiper Motor
  • Horn
  • Hood Switch
  • Vacuum Hose Components Diagram for 2003 Nissan Altima  2.5 L4 GASVacuum Hose Components Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • Power Valve Actuator
  • Intake Manifold Collector
  • Power Door Lock System and Harness Connector Location Diagram for 2003 Nissan Altima  3.5 V6 GASPower Door Lock System and Harness Connector Location Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Body Control Module
  • Key Lock Solenoid
  • Key Switch
  • Door Switch
  • Junction Block
  • Vehicle Security System Components and Harness Connector Location Diagram for 2003 Nissan Altima  3.5 V6 GASVehicle Security System Components and Harness Connector Location Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Trunk Key Cylinder Switch
  • Data Link Connector
  • Trunk Release Solenoid
  • Horn
  • BCM
  • Refrigeration System Components Diagram for 2003 Nissan Altima  3.5 V6 GASRefrigeration System Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Blower Unit
  • Heater Unit
  • Cooling Unit
  • Defroster Nozzle
  • Ventilator Duct
  • Body No.2 Harness Components Diagram for 2003 Nissan Altima  3.5 V6 GASBody No.2 Harness Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Door Striker
  • Ground B107
  • Ground B117
  • Body No.2 Harness Components Diagram for 2003 Nissan Altima  3.5 V6 GASBody No.2 Harness Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Ground B202
  • Instrument Panel Wire Harness Diagram for 2003 Nissan Altima  3.5 V6 GASInstrument Panel Wire Harness Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Data Link Connector
  • Sunload Sensor
  • Glove Box Lamp
  • Combination Switch
  • Key Lock Solenoid
  • CLICK HERE TO GET FULL ACCESS TO 2003 Nissan Altima PARTS/COMPONENTS LOCATION DIAGRAMS!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 2007 Nissan Altima Grille Assembly2007 Nissan Altima Grille Assembly, With emblem provision, chrome molding, and black grille insert; A high quality, OE replacement complete grille and shell assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $41.05

    Click here to view more details about 2001 Nissan Altima Knock Sensor2001 Nissan Altima Knock Sensor, Blade type; 2-prong male terminal; Wiring harness not included; A high quality, direct fit OE replacement knock sensor; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $65.23

    Click here to view more details about 2006 Nissan Altima Driver And  Led Tail Light Set With Gunmetal Bezels , Passenger Side2006 Nissan Altima Driver And Led Tail Light Set With Gunmetal Bezels , Passenger Side, DRIVER AND PASSENGER SIDE LED TAIL LIGHT SET WITH GUNMETAL BEZELS , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $426.45

    Click here to view more details1993 Nissan Altima L4, 2.4 L, 2389 CC Rebuilt Engine, "SOHC, 12 valve, Dist mounts in timing cover, dipstick by #4,, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,745.00

    Click here to view more details2000 Nissan Altima Used A/C Compressor, 2.4, AUTO, FWD, Very Good.

    Source: Used Auto Parts Store

    $118.00

    Click here to view more details2007 Nissan Altima Used Rear Spoiler Assembly, 4DR, RED, HYBRID (SDN), Very Good.

    Source: Used Auto Parts Store

    $185.00
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