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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+.

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
  • Power Steering Components Diagram for 2003 Nissan Altima  2.5 L4 GASPower Steering Components Diagram for 2003 Nissan Altima 2.5 L4 GAS

    Components on diagram:
  • ASCD Steering Switch
  • 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
  • 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
  • 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
  • ECM Harness Connector
  • 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
  • Body Harness Components Diagram for 2003 Nissan Altima  3.5 V6 GASBody Harness Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Wheel Sensor
  • High Mounted Stop Lamp
  • Seat Belt Buckle Switch
  • Door Switch
  • Subwoofer
  • Rear Door Harness Components Diagram for 2003 Nissan Altima  3.5 V6 GASRear Door Harness Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • Door Lock Actuator
  • Power Window Motor
  • Power Window Switch
  • Speaker
  • B6
  • Passenger Compartment Components Diagram for 2003 Nissan Altima  3.5 V6 GASPassenger Compartment Components Diagram for 2003 Nissan Altima 3.5 V6 GAS

    Components on diagram:
  • ECM
  • Blower Relay
  • BCM
  • Fuse Block
  • Junction Block
  • 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 2001 Nissan Altima Bumper Bracket, Front, Passenger Side2001 Nissan Altima Bumper Bracket, Front, Passenger Side, A high quality, OE replacement bumper mounting bracket; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $3.35

    Click here to view more details about 1997 Nissan Altima Mirror, Driver Side1997 Nissan Altima Mirror, Driver Side.

    Source: Auto Body Parts Store

    $28.71

    Click here to view more details about 2009 Nissan Altima 16" x 7" Alloy Wheel2009 Nissan Altima 16" x 7" Alloy Wheel, Alloy Wheel; 16 X 7; 45MM Offset; 6 Spoke With Twist; 5 Lug; 4.5 Inch BP; All Painted Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $117.50

    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 details2001 Nissan Altima Used Rear Lower Control Arm, Passenger Side, Passenger Side Rear, 2.4, AUTO, FWD transverse, Very Good.

    Source: Used Auto Parts Store

    $83.00

    Click here to view more details2007 Nissan Altima Used Hub Bearing , Passenger Side, Front; (ABS), 2.5L (4 cyl), Very Good.

    Source: Used Auto Parts Store

    $108.00
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