2001 Lexus ES 300FACTORY OEM SERVICE PROCEDURE

Electrical Component Locator: Miscellaneous

MISCELLANEOUS LOCATION

Component Component Location
Blower Resistor Behind left side of dash.
Condenser (Interior Lights) At left front side of luggage compartment.
Data Link Connector (DLC) No. 1 Near right front corner of engine. See Figure.
Data Link Connector (DLC) No. 3 Under left side of dash.
Diode (A/C) Near rear of engine room J/B. See Figure.
Diode (Courtesy) Behind right side of dash, above kick panel.
Diode (Dome) Behind left kick panel.
Ignition Coil & Ignitor On top of each respective cylinder.
Ignitor In left rear of engine compartment, near air intake duct. See Figure.
Junction Connectors No. 1, 2 & 3 Behind left kick panel.
Junction Connectors No. 4, 5, 6, 7, 8 & 9 Behind left side of dash.
Junction Connectors No. 10, 11, 12 & 13 Behind top left side of dash.
Junction Connectors No. 14, 16 & 17 Behind top center of dash.
Junction Connector No. 15 Behind center of dash.
Junction Connectors No. 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 & 40 Behind right side of dash.
Junction Connectors No. 34 & 35 Behind right kick panel.
Junction Connector No. 36 In left front door.
Junction Connector No. 37 Base of left "B" pillar.
Junction Connector No. 38 In right front door.
Junction Connector No. 39 On top right side of engine. See Figure.
Noise Filter In instrument panel J/B.
Stereo Component Amplifier Behind right side of dash. See Figure.
Telephone Transceiver & Speaker Relay On left side of luggage compartment.
Theft Deterrent Horn In right rear corner of engine compartment.
Transponder Key Amplifier In steering column. See Figure.
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:

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