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.
2009 Lexus LS 600hLFACTORY OEM SERVICE PROCEDURE
Circuit Protection Devices
CIRCUIT PROTECTION DEVICES LOCATION
| Component | Location |
|---|---|
| Center Junction Block J/B No. 3 | Right side of dash. See Figure. |
| Center Junction Block J/B No. 4 | Right side of dash. See Figure. |
| Center Junction Block J/B No. 5 | Left side of dash. See Figure. |
| Driver Side J/B | Left end of dash. See Figure. |
| Engine Room J/B No. 2 | Right side of engine compartment. See Figure. |
| Engine Room R/B No. 1 | Right rear of engine compartment. See Figure. |
| Engine Room R/B No. 2 | Right side of engine compartment. See Figure. |
| Engine Room R/B No. 4 | Left rear of engine compartment. See Figure. |
| Engine Room R/B No. 5 | Right front of engine compartment. See Figure. |
| Fuse Block (Hybrid Vehicle Converter) | Right side of luggage compartment. See Figure. |
| Fusible Link Block Assembly No. 1 | Right rear of engine compartment. See Figure. |
| Fusible Link Block Assembly No. 2 | Base of left "C" pillar. See Figure. |
| Fusible Link Block Assembly No. 3 | Left rear of luggage compartment. See Figure. |
| HV Battery Junction Block Assembly | Right rear of vehicle chassis. See Figure. |
| Luggage Room J/B | Left side of luggage compartment. See Figure. |
| Passenger Side J/B | Right end of dash. See Figure. |
| R/B No. 3 | Left rear of engine compartment. 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:
- • 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.
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