2003 Toyota Highlander Component Locations (ONLINE REPAIR MANUALS)

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Toyota Highlander car and truck repair procedures including Toyota 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 Toyota Highlander automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2003 Toyota Highlander

  • 2003 Toyota Highlander 3.0 V6 GAS, CC:2995, Fuel Injection
  • 2003 Toyota Highlander 2.4 L4 GAS, CC:2362, Fuel Injection

COMPONENT LOCATION DIAGRAMS FOR 2003 Toyota Highlander AUTOMOBILES

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

Engine Compartment Diagram for 2003 Toyota Highlander  2.4 L4 GASEngine Compartment Diagram for 2003 Toyota Highlander 2.4 L4 GAS

Components on diagram:
  • Wiper Motor
  • Horn
  • Generator
  • Condenser Fan Motor
  • Engine Coolant Temperature Sensor
  • Lighting Components Diagram for 2003 Toyota Highlander  3.0 V6 GASLighting Components Diagram for 2003 Toyota Highlander 3.0 V6 GAS

    Components on diagram:
  • Combination Lamp Assembly
  • Door Courtesy Lamp Switch Assembly
  • Room Lamp Assembly No. 2
  • Center Stop Lamp Assembly
  • Roof Console Box Assembly
  • Lighting Components Diagram for 2003 Toyota Highlander  2.4 L4 GASLighting Components Diagram for 2003 Toyota Highlander 2.4 L4 GAS

    Components on diagram:
  • Taillight Relay
  • Headlamp Dimmer Switch
  • Automatic Light Control Sensor
  • Instrument Panel J/B
  • Tail Fuse
  • Instrument Panel Diagram for 2003 Toyota Highlander  3.0 V6 GASInstrument Panel Diagram for 2003 Toyota Highlander 3.0 V6 GAS

    Components on diagram:
  • Ashtray Illumination
  • A/C Solar Sensor
  • A/C Control Assembly
  • Deceleration Sensor
  • Airbag Squib
  • Power Source Diagram for 2003 Toyota Highlander  3.0 V6 GASPower Source Diagram for 2003 Toyota Highlander 3.0 V6 GAS

    Components on diagram:
  • Engine Room Relay Block No. 2
  • ABS Relay Block Sub-Assembly
  • DRL Relay
  • Fusible Link Block Assembly
  • Instrument Panel Junction Block Assembly
  • Body Multiplex Communication System Components Diagram for 2003 Toyota Highlander  2.4 L4 GASBody Multiplex Communication System Components Diagram for 2003 Toyota Highlander 2.4 L4 GAS

    Components on diagram:
  • Engine Control Module
  • Air Conditioning
  • Combination Meter Assembly
  • Multiplex Network Body ECU
  • Power Window Regulator Master Switch Assembly
  • Engine Compartment Diagram for 2003 Toyota Highlander  2.4 L4 GASEngine Compartment Diagram for 2003 Toyota Highlander 2.4 L4 GAS

    Components on diagram:
  • Stereo Power Amplifier
  • Wireless Door Lock ECU
  • Engine Room R/B
  • Sliding Roof Control ECU
  • Fusible Link Block
  • Combination Meter Diagram for 2003 Toyota Highlander  2.4 L4 GASCombination Meter Diagram for 2003 Toyota Highlander 2.4 L4 GAS

    Components on diagram:
  • Oil Pressure Switch
  • Power Window Control Components Diagram for 2003 Toyota Highlander  3.0 V6 GASPower Window Control Components Diagram for 2003 Toyota Highlander 3.0 V6 GAS

    Components on diagram:
  • Unlock Warning Switch Assembly
  • Multiplex Network Body Computer
  • Power Window Regulator Master Switch Assembly
  • Door Courtesy Lamp Switch Assembly
  • Power Window Regulator Motor Assembly
  • Relay Locations Diagram for 2003 Toyota Highlander  2.4 L4 GASRelay Locations Diagram for 2003 Toyota Highlander 2.4 L4 GAS

    Components on diagram:
  • Turn Signal Flasher
  • Heater Relay
  • Engine Control Module
  • J/B
  • Theft Deterrent ECU
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