SYSTEM DIAGRAM
| Sender | Receiver | Signal | Communication Method |
|---|---|---|---|
| Radio Receiver Assembly | Air Conditioning Amplifier Assembly | Front wiper deicer switch signal | CAN |
Parts Location
System DescriptionLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS
NEXT 3. CONNECT TECHSTREAM TO DLC3* HINT: If the display indicates a communication malfunction, inspect the DLC ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Windshield Deicer System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
If the battery voltage is low, the seat heater system may not operate. When "Operation of Electrical Items Restricted." is not displayed on the multi-information display in the combination meter assembly, check the Data List item "Battery Control Count (Body ECU)".
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