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.
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HOMESERVICE MANUALSLEXUS2006RX 400H AWD V6-3.3L (3MZ-FE) HYBRIDREPAIR AND DIAGNOSISLIGHTING AND HORNSTESTING AND INSPECTIONINITIAL INSPECTION AND DIAGNOSTIC OVERVIEWFAIL SAFE CHART
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Fail Safe Chart
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Fail Safe Chart
FAIL-SAFE CHART
1. Light control ECU (HID)
2. Headlight Leveling ECU Assembly
HINT: The Headlight Leveling Control ECU performs fail-safe when detecting the following troubles.
Recovery condition: Ignition switch off or signal level error cancellation.
3. Headlight Swivel ECU Assembly
HINT: The Headlight Swivel ECU performs fail-safe when detecting the following troubles. The AFS OFF indicator light on the combination meter comes on at the same time.
1. Light control ECU (HID)
2. Headlight Leveling ECU Assembly
HINT: The Headlight Leveling Control ECU performs fail-safe when detecting the following troubles.
Recovery condition: Ignition switch off or signal level error cancellation.
3. Headlight Swivel ECU Assembly
HINT: The Headlight Swivel ECU performs fail-safe when detecting the following troubles. The AFS OFF indicator light on the combination meter comes on at the same time.
RENDER: 1.0x
NO RELATED
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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.