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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+.

Power Door Lock System and Harness Connector Location Diagram for 2003 Nissan Altima  2.5 L4 GASPower Door Lock System and Harness Connector Location Diagram for 2003 Nissan Altima 2.5 L4 GAS

Components on diagram:
  • Body Control Module
  • Key Lock Solenoid
  • Key Switch
  • Door Switch
  • Junction Block
  • Instrument Panel Components and Harness Connector Location Diagram for 2003 Nissan Altima  2.5 L4 GASInstrument Panel Components and Harness Connector Location Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • Data Link Connector
  • ECM
  • BCM
  • Combination Meter
  • ECM Harness Connector
  • Body No.2 Harness Components Diagram for 2003 Nissan Altima  2.5 L4 GASBody No.2 Harness Components Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • B202
  • 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
  • NVIS Components and Harness Connector Location Diagram for 2003 Nissan Altima  3.5 V6 GASNVIS Components and Harness Connector Location Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • ECM
  • Security Indicator Lamp
  • Immobilizer Control Unit
  • ECM Harness Connector
  • Connector C-10A
  • Engine Compartment Components and Harness Connector Location Diagram for 2003 Nissan Altima  3.5 V6 GASEngine Compartment Components and Harness Connector Location Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • A/C Relay
  • A/C Compressor
  • Ambient Sensor
  • Radiator
  • Refrigerant Pressure Sensor
  • Front Wiper and Washer System Components and Harness Connector Location Diagram for 2003 Nissan Altima  3.5 V6 GASFront Wiper and Washer System Components and Harness Connector Location Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Wiper Motor
  • BCM
  • Fuse Block
  • IPDM E/R
  • Connector C-10A
  • Antenna Components Diagram for 2003 Nissan Altima  3.5 V6 GASAntenna Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Antenna Amplifier
  • Rear Window Printed Antenna
  • Front Door Harness Components Diagram for 2003 Nissan Altima  3.5 V6 GASFront Door Harness Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Trunk Lid Opener Switch
  • Door Lock Actuator
  • Power Window Motor
  • Step Lamp
  • Speaker
  • 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 1997 Nissan Altima Radiator Support1997 Nissan Altima Radiator Support, A high quality, OE replacement radiator support assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $110.97

    Click here to view more details about 2007 Nissan Altima Headlight, Passenger Side2007 Nissan Altima Headlight, Passenger Side, Bulbs included; Composite and xenon type; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $411.66

    Click here to view more details about 2001 Nissan Altima Taillight Passenger Side2001 Nissan Altima Taillight Passenger Side, Passenger Side Tail Light Assembly, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $51.45

    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 details2007 Nissan Altima Used Harmonic Balancer, 3.5L (6 CYL), Very Good.

    Source: Used Auto Parts Store

    $148.00

    Click here to view more details2002 Nissan Altima Used Air Flow Meter/Sensor, 2.5, AUTO, FWD, Very Good.

    Source: Used Auto Parts Store

    $77.00
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