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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSLEXUS2006RX 400H AWD V6-3.3L (3MZ-FE) HYBRIDREPAIR AND DIAGNOSISLIGHTING AND HORNSTESTING AND INSPECTIONCOMPONENT TESTS AND GENERAL DIAGNOSTICSHEADLIGHT BEAM LEVEL CONTROL ECU COMMUNICATION CIRCUIT
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Headlight Beam Level Control ECU Communication Circuit
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Headlight Beam Level Control ECU Communication Circuit
Headlight Beam Level Control ECU Communication Circuit
DESCRIPTION
Body ECU sends signals that the headlight is ON and the daytime running light is on to the headlight beam level control ECU and operates the headlight beam level control system.
Headlight beam level control ECU receives the vehicle speed signal from the skid control ECU.
INSPECTION PROCEDURE
DESCRIPTION
Body ECU sends signals that the headlight is ON and the daytime running light is on to the headlight beam level control ECU and operates the headlight beam level control system.
Headlight beam level control ECU receives the vehicle speed signal from the skid control ECU.
Wiring Diagram:
Step 1:
Step 2:
INSPECTION PROCEDURE
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.