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.
2006 Lexus RX 330 FWDFACTORY OEM SERVICE PROCEDURE
Lighting System DTCS
LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description | Proceed To |
|---|---|---|
| B1244 | Light Sensor Circuit Malfunction | B1244 |
| B2410 | Headlight Swivel ECU LH Communication Malfunction | B2410 |
| B2411 | Headlight Swivel ECU RH Communication Malfunction | B2411 |
| B2412 | Headlight Swivel Motor LH Malfunction | B2412 |
| B2413 | Headlight Swivel Motor RH Malfunction | B2413 |
| B2414 | Steering Position Sensor Malfunction | B2414 |
| B2415 | Vehicle Speed Sensor Malfunction | B2415 |
| B2416 | Height Control Sensor Malfunction | B2416 |
| B2417 | Headlight Beam Level Control Motor LH Malfunction | B2417 |
| B2418 | Headlight Beam Level Control Motor RH Malfunction | B2418 |
| B2419 | BEAN Communication Malfunction | B2419 |
| B2420 | AFS ECU Malfunction | B2420 |
| B2421 | Steering Neutral Point Automatic Correction Incompletion | B2421 |
| B2423 | AFS ECU Installation Error | B2423 |
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.