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 MANUALSLEXUS2010RX 450H 3.5 BREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
2010 Lexus RX 450h 3.5 B
Control Units
2010 Lexus RX 450h 3.5 BSECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Active Stabilizer Control ECU (Front) | Under rear of vehicle. See Figure. |
| Active Stabilizer Control ECU (Rear) | Under rear of vehicle. See Figure. |
| Certification ECU Assembly | Right side of dash. See Figure. |
| Clearance Warning ECU Assembly | Right side of dash. See Figure. |
| Cooling Fan ECU No. 1 | Left front of engine compartment. See Figure. |
| Cooling Fan ECU No. 2 | Right front of engine compartment. See Figure. |
| DCM (Telematics Transceiver) | Under center console. See Figure. |
| Driving Support ECU Assembly | Left end of dash. See Figure. |
| ECM | Right front of engine compartment. See Figure. |
| Front Active Stabilizer Control ECU Assembly | Left rear of luggage compartment. See Figure. |
| Front Position Control ECU & Switch Assembly LH | Left side of driver's seat cushion. See Figure. |
| Headlight Swivel ECU Assembly | Left end of dash. See Figure. |
| Main Body ECU | Behind left side of dash. See Figure. |
| Multi-Display Controller Sub-Assembly | Under center console. See Figure. |
| Multi-Media Interface ECU | Under rear of center console. See Figure. |
| Multi-Media Module Navigation Assembly | Under center console. See Figure. |
| Multiplex Tilt & Telescopic ECU | At base of steering column. See Figure. |
| Occupant Detection ECU | Under front passenger's seat. See Figure. |
| Outer Mirror Control ECU Assembly (Left/Right) | In respective front door. See Figure. |
| Parking Assist ECU | Right side of dash. See Figure. |
| Power Management Control ECU | Left side of dash. See Figure. |
| Power Steering ECU Assembly | Left end of dash. See Figure. |
| Rear Active Stabilizer Control ECU Assembly | Left rear of luggage compartment. See Figure. |
| Rear Door Control Receiver | Right "D" pillar. See Figure. |
| Seat Belt Control ECU | Right side of dash. See Figure. |
| Shift Lock Control ECU Sub-Assembly | Under center console, beside shift lever. See Figure. |
| Skid Control ECU | Right side of dash. See Figure. |
| Sliding Roof Control ECU | Center front of roof. See Figure. |
| Suspension Control ECU | Right side of dash. See Figure. |
| Tire Pressure Warning ECU | Behind right side of dash. 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.