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 DIAGNOSISWIPER AND WASHER SYSTEMSDESCRIPTION AND OPERATIONSYSTEM DESCRIPTION
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
System Description
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION System Description
SYSTEM DESCRIPTION
1. AUTOMATIC WIPER SYSTEM
a. The auto wiper system receives the signal from the rain sensor that is installed on the upper part of the windshield and operates the front wiper in accordance with the amount of rain. It operates when the windshield wiper switch is in the AUTO position and enables the rain sensor to adjust its sensitivity by the rain sensor adjust switch.
b. The auto wiper system receives the vehicle speed signal from the multiplex communication system and operates the front wiper in accordance with the vehicle speed.
2. HEADLIGHT CLEANER SYSTEM
a. The headlight cleaner system operates when the headlights are ON and the headlight cleaner switch is pushed ON. It also operates when the headlights are ON and the front wiper washer system is operating. However, it does not operate when the daytime running light system is operating.
1. AUTOMATIC WIPER SYSTEM
a. The auto wiper system receives the signal from the rain sensor that is installed on the upper part of the windshield and operates the front wiper in accordance with the amount of rain. It operates when the windshield wiper switch is in the AUTO position and enables the rain sensor to adjust its sensitivity by the rain sensor adjust switch.
b. The auto wiper system receives the vehicle speed signal from the multiplex communication system and operates the front wiper in accordance with the vehicle speed.
2. HEADLIGHT CLEANER SYSTEM
a. The headlight cleaner system operates when the headlights are ON and the headlight cleaner switch is pushed ON. It also operates when the headlights are ON and the front wiper washer system is operating. However, it does not operate when the daytime running light system is operating.
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.