Technical Highlights
OEM headlight wiring diagrams (LHD)
LED low/high beam driver circuit schematics
Adaptive High Beam (AHB) system wiring
Automatic High Beam & cornering light control
Headlight beam leveling system (front & rear sensors)
Headlight cleaner motor & pump circuit
DRL, clearance, turn & fog light wiring
Headlight ECU (LH & RH) pinout and power supply
CAN & LIN communication with Main Body ECU
Production split diagrams (before / after Aug 2019)
Table of Content
Headlight System (LHD)
LED Low Beam / High Beam Circuit
DRL & Clearance Light Wiring
Turn Signal Integration
Headlight ECU Sub-Assembly (LH / RH)
Cooling Fan & LED Driver Module
Adaptive Lighting Systems
Adaptive High Beam (AHB) Wiring
Automatic High Beam Control
Cornering Light Circuit
High Beam Relay Control
Headlight Leveling Control
Front & Rear Height Control Sensors
Leveling Actuator Circuit
Headlight ECU Level Control Logic
Headlight Cleaner System
Headlight Cleaner Relay
Cleaner Motor & Pump Assembly
Washer Interlock Logic
Fog Light System
Front Fog Light Wiring (LH / RH)
Fog Light Relay & Fuse Allocation
Body ECU Integration
Power Supply & Protection
ECU-IG1 / ECU-B Fuse Circuits
Junction Connector Layouts
Ground Points & Earth Distribution
Network Communication
CANH / CANL Headlight Communication
LIN Bus Control Lines
Main Body ECU Integration
Variant & Production Differences
With / Without AHB
With / Without Cornering Lights
Before Aug 2019 / After Aug 2019 Production
File Information
File Type: PDF (Digital Download)
Document Type: OEM Electrical Wiring Diagram
Pages: 14 pages
Language: English
Vehicle: Lexus RX 450h / RX 450hL
Chassis Code: GYL25L
Engine: 2GR-FXS Hybrid
Model Year: 2020
System Coverage: Headlight, AHB, AFS, DRL, Fog, Washer, Leveling
Diagrams: OEM schematics, connector pinouts, relay logic, CAN/LIN
Use Case: Diagnostics, troubleshooting, retrofitting, repair
Software Required: Any PDF reader
Delivery: Instant digital download
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