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 DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSKEYLESS ENTRYDESCRIPTION AND OPERATIONSYSTEM DESCRIPTIONWIRELESS DOOR LOCK CONTROL SYSTEM
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) Hybrid
Wireless Door Lock Control System
2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Wireless Door Lock Control System
System Diagram (Part 1):
System Diagram (Part 2):
System Diagram (Part 3):
SYSTEM DESCRIPTION
1. WIRELESS DOOR LOCK CONTROL SYSTEM DESCRIPTION
a. This system is a convenient system for locking and unlocking all the doors at a distance. The wireless control system has the following features:
- In this system, the door control receiver performs the code identification process and the multiplex network body ECU operates the door lock control. A serial data link is provided for communication between the door control receiver and the multiplex network body ECU.
- w/ Power back door:
A key-integrated type transmitter is used. It contains the following 3 switches: the LOCK (PANIC) switch, UNLOCK switch and PWR DOOR (power back door) switch.
- w/o Power back door:
A key-integrated type transmitter is used. It contains the following 3 switches: the LOCK switch, UNLOCK switch and PANIC switch.
- A power window down function and a sliding roof (normal type only) open function are included in the wireless door lock control system.
- A LED (Light Emitting Diode) is mounted on the transmitter to indicate if the battery is discharged.
b. The wireless door lock control system has the functions:
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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.