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
Relay Blocks
| Code | See | Relay Blocks (Relay Block Location) |
|---|---|---|
| 2 | : ENGINE ROOM R/B NO. 2; : ENGINE ROOM J/B NO. 2 - ENGINE COMPARTMENT RIGHT | Engine Room R/B No. 2 (Engine Compartment Right) |
| 1H | : FUSIBLE LINK BLOCK ASSEMBLY NO. 1 - ENGINE COMPARTMENT RIGHT | Engine Room Main Wire and Fusible Link Block Assembly No. 1 (Engine Compartment Right) |
| 2B | : ENGINE ROOM R/B NO. 2; : ENGINE ROOM J/B NO. 2 - ENGINE COMPARTMENT RIGHT | Engine Room Main Wire and Engine Room J/B No. 2 (Engine Compartment Right) |
| 2C | ||
| 2D | ||
| 2E | ||
| 2G | ||
| 3A | : CENTER JUNCTION BLOCK NO. 3 - INSTRUMENT PANEL CENTER | Instrument Panel Wire and Center Junction Block No. 3 (Instrument Panel Center) |
| 3B | ||
| 4F | : CENTER JUNCTION BLOCK NO. 4 - INSTRUMENT PANEL CENTER | Instrument Panel Wire and Center Junction Block No. 4 (Instrument Panel Center) |
| 4G | ||
| 4H | ||
| 4J | ||
| DA | : DRIVER SIDE J/B - COWL SIDE LEFT | Instrument Panel Wire and Driver Side J/B (Cowl Side Left) |
| DH | : DRIVER SIDE J/B - COWL SIDE LEFT | Engine Room Main Wire and Driver Side J/B (Cowl Side Left) |
| PA | : PASSENGER SIDE J/B - COWL SIDE RIGHT | Instrument Panel Wire and Passenger Side J/B (Cowl Side Right) |
| PK | : PASSENGER SIDE J/B - COWL SIDE RIGHT | Engine Room Main Wire and Passenger Side J/B (Cowl Side Right) |
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.