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.
2001 Lexus LS 430FACTORY OEM SERVICE PROCEDURE
Electrical Component Locator: Splices
SPLICES LOCATION
| Component | Component Location |
|---|---|
| B1 | In body harness, at right side of windshield header. |
| B2 | In body harness, above middle of right front door. |
| B3 | In body harness, at right side of luggage compartment. |
| B4 | In body harness, at middle of rear bumper. |
| B5 | In body harness, under front of left front seat. |
| B6 | In body harness, under rear of left front seat. |
| B7 | In body harness, under right front seat. |
| B8 | In body harness, under left middle of rear backrest. |
| B9 | In body harness, under left middle of rear backrest. |
| B10 | In body harness, under right middle of rear backrest. |
| B11 | In body harness, under right middle of right rear backrest. |
| E1 | In engine harness, under ECU box. See Figure. |
| E2 | In engine harness, near ECU box. See Figure. |
| E3 | In engine harness, behind left headlight. See Figure. |
| E4 | In engine harness, behind right headlight. See Figure. |
| E5 | In engine harness, at middle of right inner fender panel. See Figure. |
| E6 | In engine harness, behind left headlight. See Figure. |
| E7 | In engine harness, Under engine compartment J/B No. 2. See Figure. |
| E8 | In engine harness, under ECU box. See Figure. |
| E9 | In engine harness, under engine compartment J/B No. 1. See Figure. |
| E10 | In engine harness, near front of battery. See Figure. |
| E11 | In engine harness, at center top of right cylinder head. See Figure. |
| E12 | In engine harness, at center rear top of engine. See Figure. |
| E13 | In engine harness, at rear top of left cylinder head. See Figure. |
| I1 | In dash harness, behind left side of instrument cluster. See Figure. |
| I2 | In dash harness, behind upper left side of dash. See Figure. |
| I3 | In dash harness, behind middle of instrument cluster. See Figure. |
| I4 | In dash harness, behind left upper center console. See Figure. |
| I5 | In dash harness, under left front of center console. See Figure. |
| I6 | In dash harness, behind passenger side air bag. 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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