2000 Lexus ES 300FACTORY OEM SERVICE PROCEDURE

Component Locations

COMPONENT LOCATIONS

Component Location
DOME Fuse (7.5-Amp) In Engine Compartment Junction Block
DOOR Fuse (25-Amp) In Instrument Panel Junction Block
Door Key Lock/Unlock Switch Integral With Door Lock Motor
Door Unlock Detection Switch Integral With Door Lock Motor
ECU-IG Fuse (15-Amp) In Instrument Panel Junction Block
Engine Compartment Junction Block Left Side Of Engine Compartment, Next To Strut Tower
HEAD Relay In Engine Compartment Junction Block
HORN Fuse (10-Amp) In Engine Compartment Junction Block
HORN Relay In Engine Compartment Junction Block
Instrument Panel Junction Block Behind Left Side Of Instrument Panel
Integration Relay In Instrument Panel Junction Block
MAIN Fuse (40-Amp) In Engine Compartment Junction Block
Taillight Relay In Instrument Panel Junction Block
Theft Deterrent ECU Behind Center Console
Wireless Door Lock Buzzer Behind Glove Box
Wireless Door Lock Buzzer Volume Switch Below Steering Column
Wireless Door Lock ECU Behind Center Console
Chapter Navigation
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Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.