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.
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HOMESERVICE MANUALSLEXUS2004IS 300 BASE, AUTOMATICREPAIR AND DIAGNOSISQUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORSWITCHES
2004 Lexus IS 300 Base, Automatic
Electrical Component Locator: Switches
2004 Lexus IS 300 Base, AutomaticSECTION Switches
SWITCHES LOCATION
| Component | Location |
|---|---|
| A/C Triple Pressure Switch | On left front of engine compartment, behind bumper fascia. See Figure. |
| Back Door Courtesy Switch & Opener Motor (Wagon) | At center rear of luggage compartment. See Figure. |
| Back-Up Light SW | Near selector lever. See Figure. |
| Brake Fluid Level Warning Switch | On brake fluid reservoir, on top of brake master cylinder. See Figure. |
| Brake Pedal Load Sensing SW | Behind left side of dash. See Figure. |
| Buckle Switch (Left) (Sedan) | Inside of left front seat belt buckle. See Figure. |
| Buckle Switch (Left) (Wagon) | Inside of right front seat belt buckle. See Figure. |
| Buckle Switch (Right) & Seat Belt Warning Occupant Detection Sensor (Sedan) | Inside of right front seat belt buckle. See Figure. |
| Buckle Switch (Right) & Seat Belt Warning Occupant Detection Sensor (Wagon) | Inside of right front seatbelt buckle. See Figure. |
| Clutch Start SW | Near top of clutch pedal. See Figure. |
| Cruise Control Clutch SW | Near top of clutch pedal. See Figure. |
| Door Courtesy SW (Left Front) (Sedan) | On left "B" pillar. See Figure. |
| Door Courtesy SW (Left Front) (Wagon) | On left "B" pillar. See Figure. |
| Door Courtesy SW (Left Rear) (Sedan) | On left "C" pillar. See Figure. |
| Door Courtesy SW (Left Rear) (Wagon) | On left "C" pillar. See Figure. |
| Door Courtesy SW (Right Front) (Sedan) | On right "B" pillar. See Figure. |
| Door Courtesy SW (Right Front) (Wagon) | On right "B" pillar. See Figure. |
| Door Courtesy SW (Right Rear) (Sedan) | On right "C" pillar. See Figure. |
| Door Courtesy SW (Right Rear) (Wagon) | On right "C" pillar. See Figure. |
| Door Lock Motor, Door Key Lock & Unlock SW & Door Lock Detection SW (Left Front) (Sedan) | In left front door. See Figure. |
| Door Lock Motor, Door Key Lock & Unlock SW & Door Lock Detection SW (Left Front) (Wagon) | In left front door. See Figure. |
| Door Lock Motor & Door Lock Detection SW (Left Rear) (Sedan) | In left rear door. See Figure. |
| Door Lock Motor & Door Lock Detection SW (Left Rear) (Wagon) | In left rear door. See Figure. |
| Door Lock Motor & Door Lock Detection SW (Right Front) (Sedan) | In right front door. See Figure. |
| Door Lock Motor & Door Lock Detection SW (Right Front) (Wagon) | In right front door. See Figure. |
| Door Lock Motor & Door Lock Detection SW (Right Rear) (Sedan) | In right rear door. See Figure. |
| Door Lock Motor & Door Lock Detection SW (Right Rear) (Wagon) | In right rear door. See Figure. |
| Driver's Position Memory SW | Left side of dash. See Figure. |
| Engine Hood Courtesy SW | Center front of engine compartment. See Figure. |
| Engine Oil Pressure Switch | On left front of engine. See Figure. |
| Luggage Compartment Door Courtesy SW And Opener Motor (Sedan) | Rear center of luggage compartment. See Figure. |
| Luggage Compartment Door Key Unlock SW (Sedan) | Rear center of luggage compartment. See Figure. |
| Parking Brake Switch | At base of parking brake lever. See Figure. |
| Park/Neutral Position Switch | On right side of transmission. See Figure. |
| Stop Light Switch | Above brake pedal, on bracket. See Figure. |
| Unlock Warning SW | Near steering column. See Figure. |
| Water Temp Switch | On right side of radiator. See Figure. |
RENDER: 1.0x
NO RELATED
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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.