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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+.

Vehicle Security System Components and Harness Connector Location Diagram for 2003 Nissan Altima  2.5 L4 GASVehicle Security System Components and Harness Connector Location Diagram for 2003 Nissan Altima 2.5 L4 GAS

Components on diagram:
  • Trunk Key Cylinder Switch
  • Trunk Release Solenoid
  • Horn
  • BCM
  • Door Switch
  • NVIS Components and Harness Connector Location Diagram for 2003 Nissan Altima  2.5 L4 GASNVIS Components and Harness Connector Location Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • ECM
  • Security Indicator Lamp
  • Immobilizer Control Unit
  • Connector C-10A
  • M27
  • 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:
  • Data Link Connector
  • Combination Switch
  • Key Lock Solenoid
  • Key Switch
  • BCM
  • 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
  • Engine Compartment Components Diagram for 2003 Nissan Altima  2.5 L4 GASEngine Compartment Components Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • Radiator
  • Refrigerant Pressure Sensor Harness Connector
  • Brake System Components Diagram for 2003 Nissan Altima  2.5 L4 GASBrake System Components Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • ASCD Brake Switch
  • Brake Pedal
  • Engine Compartment Components and Harness Connector Location Diagram for 2003 Nissan Altima  2.5 L4 GASEngine Compartment Components and Harness Connector Location Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • A/C Relay
  • A/C Compressor
  • Radiator
  • Refrigerant Pressure Sensor
  • IPDM E/R
  • A/T Electrical Parts Location Diagram for 2003 Nissan Altima  3.5 V6 GASA/T Electrical Parts Location Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Data Link Connector
  • Transmission Control Module
  • Vehicle Speed Sensor
  • Revolution Sensor
  • Park/Neutral Position Switch
  • 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:
  • ABS Control Unit
  • ABS Actuator
  • Ground E115
  • Ground E116
  • Ground E126
  • 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:
  • Oil Filler Cap
  • Ground F14
  • Ground F15
  • 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 Bumper Cover, Front1997 Nissan Altima Bumper Cover, Front.

    Source: Auto Body Parts Store

    $52.83

    Click here to view more details about 1999 Nissan Altima Tail Light, Passenger Side1999 Nissan Altima Tail Light, Passenger Side.

    Source: Auto Body Parts Store

    $48.99

    Click here to view more details about 2001 Nissan Altima Tail Light Assembly , Passenger Side2001 Nissan Altima Tail Light Assembly , Passenger Side, PASSENGER SIDE TAIL LIGHT ASSEMBLY , , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $61.45

    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 details2005 Nissan Altima Used Brake Master Cylinder, 2.5, AUTO, FWD Without ABS, Very Good.

    Source: Used Auto Parts Store

    $80.00

    Click here to view more details2007 Nissan Altima Used Brake Master Cylinder, 2.5, AUTO, FWD non-Hybrid, Without vehicle dynamic cont; (CVT), Very Good.

    Source: Used Auto Parts Store

    $88.00
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