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: Switches
SWITCHES LOCATION
| Component | Component Location |
|---|---|
| A/C Dual Pressure Switch | On refrigerant line, near receiver-drier, integral to A/C triple pressure switch. |
| A/C Single Pressure Switch | On refrigerant line, near receiver-drier, integral to A/C triple pressure switch. |
| A/C Triple Pressure Switch | On refrigerant line, near receiver-drier. See Figure. |
| A/T Indicator Light Switch | Integral to park/neutral position switch. See Figure. |
| Back-Up Light Switch | Integral to park/neutral position switch. See Figure. |
| Brake Fluid Level Warning Switch | In brake fluid reservoir. See Figure. |
| Buckle Switch | On driver's side seat belt buckle. |
| Engine Hood Courtesy Switch | Left front of engine compartment. See Figure. |
| Engine Oil Level Warning Switch | On left front of engine. See Figure. |
| Luggage Compartment Light Switch & Luggage Compartment Door Opener Motor | On center rear of deck lid. |
| Moon Roof Control Switch | At front of moon roof opening. |
| Moon Roof Motor & Limit Switch | Integral to moon roof control relay. |
| Oil Pressure Switch | On left front corner of engine. See Figure. |
| Parking Brake Switch | Bottom of parking brake lever. |
| Park/Neutral Position Switch | On transaxle. See Figure. |
| Power Steering Oil Pressure Switch | In right rear of engine compartment. See Figure. |
| Stoplight Switch | On bracket, above brake pedal. |
| Washer Level Warning Switch | In right front corner of engine compartment. See Figure. |
| Water Temperature Switch No. 1 | In left front of engine compartment. See Figure. |
| Water Temperature Switch No. 2 | On top left rear of engine. 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:
- • 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.