Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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
Use the Manual With the Right Hardware
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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.
