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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+.

Instrument Panel Wire  Harness Diagram for 2003 Nissan Altima  2.5 L4 GASInstrument Panel Wire Harness Diagram for 2003 Nissan Altima 2.5 L4 GAS

Components on diagram:
  • Stop Lamp Switch
  • Clutch Interlock Switch
  • BCM
  • Fuse Block
  • Junction Block
  • 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:
  • Washer Fluid Level Sensor
  • Horn
  • Generator
  • Front Washer Motor
  • Headlamp
  • Rear Door Harness Components Diagram for 2003 Nissan Altima  2.5 L4 GASRear Door Harness Components Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • Door Lock Actuator
  • Power Window Motor
  • Power Window Switch
  • Speaker
  • B6
  • Passenger Compartment Components Diagram for 2003 Nissan Altima  2.5 L4 GASPassenger Compartment Components Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • ECM
  • Blower Relay
  • BCM
  • Fuse Block
  • Junction Block
  • 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
  • Warning Chime Components and Harness Connector Location Diagram for 2003 Nissan Altima  3.5 V6 GASWarning Chime Components and Harness Connector Location Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Key Lock Solenoid
  • Seat Belt Buckle Switch
  • Key Switch
  • BCM
  • Door Switch
  • Instrument Panel Components and Harness Connector Location Diagram for 2003 Nissan Altima  3.5 V6 GASInstrument Panel Components and Harness Connector Location Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Data Link Connector
  • ECM
  • BCM
  • Combination Meter
  • TCM
  • Engine Room Harness Components Diagram for 2003 Nissan Altima  3.5 V6 GASEngine Room Harness Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Ground E24
  • Ground E14
  • Ground E15
  • Room Lamp Wire Harness Components Diagram for 2003 Nissan Altima  3.5 V6 GASRoom Lamp Wire Harness Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Sunroof Switch
  • Spot Lamp
  • Sunroof Motor Assembly
  • Vanity Mirror Lamp
  • Room Lamp
  • Brake System Components Diagram for 2003 Nissan Altima  3.5 V6 GASBrake System Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • ASCD Brake Switch
  • Brake Pedal
  • 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 Vent Visor, Front Or Rear2007 Nissan Altima Vent Visor, Front Or Rear, Stick-on; A high quality, OE replacement window vent visor set; Backed by 2-year Kool Vue limited warranty..

    Source: Auto Body Parts Store

    $20.00

    Click here to view more details2004 Nissan Altima Headlight Bulb, A high quality, OE replacement headlight bulb; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $21.73

    Click here to view more details2014 Nissan Altima Driver Or Passenger Side License Plate Assembly, Driver Or Passenger Side License Plate Assembly; For Sedan, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $26.50

    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 details2005 Nissan Altima Used Bumper Bar, Front, 4DR, Brown, SL Without foam, Very Good.

    Source: Used Auto Parts Store

    $149.00

    Click here to view more details2004 Nissan Altima Used Rear Lower Control Arm, Passenger Side, 3.5, AUTO, FWD main (spring support), R, Very Good.

    Source: Used Auto Parts Store

    $79.00
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