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.
2010 Lexus LS 460L AWDFACTORY OEM SERVICE PROCEDURE
Junction Block and Wire Harness Connector
| Code | See | Junction Block and Wire Harness (Connector Location) |
|---|---|---|
| 2A | : ENGINE ROOM R/B NO. 1; : ENGINE ROOM J/B NO. 1 - ENGINE COMPARTMENT RIGHT | Engine Room Main Wire and Engine Room J/B No. 2 (Engine Compartment Right) |
| 2C | ||
| 3A | : J/B NO. 3 - INSTRUMENT PANEL CENTER | Instrument Panel Wire and J/B No. 3 (Instrument Panel Center) |
| 3B | ||
| 3D | ||
| 3H | ||
| 5A | : J/B NO. 5 - INSTRUMENT PANEL CENTER | Instrument Panel Wire and J/B No. 5 (Instrument Panel Center) |
| 5B | ||
| 5F | ||
| 5G | ||
| 5H | ||
| DA | : DRIVER SIDE J/B - COWL SIDE LEFT | Instrument Panel Wire and Driver Side J/B (Cowl Side Left) |
| DD | : DRIVER SIDE J/B - COWL SIDE LEFT | Floor No. 2 Wire and Driver Side J/B (Cowl Side Left) |
| LA | : LUGGAGE ROOM J/B - LUGGAGE ROOM LEFT | Floor No. 2 Wire and Luggage Room J/B (Luggage Room Left) |
| PA | : PASSENGER SIDE J/B - COWL SIDE RIGHT | Instrument Panel Wire and Passenger Side J/B (Cowl Side Right) |
| PJ | : PASSENGER SIDE J/B - COWL SIDE RIGHT | Floor 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
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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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