Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU

Vehicle Speed Signal Circuit between Stereo Component Amplifier and Combination Meter

DESCRIPTION The stereo component amplifier assembly receives a vehicle speed signal from the combination meter assembly to control the ASL function. HINT: A voltage of 12 V or 5 V is output from ea ...

Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU

DESCRIPTION This circuit includes the navigation ECU and radio receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU) (a) Disco ...

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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Navigation System: USB Audio System Recognition/Play Error
DESCRIPTION When a USB device or "iPod" is connected to the USB jack of the No. 1 stereo jack adapter assembly, it must have playable files. The device must also communicate with and be recognized by the radio receiver assembly. This diagnostic procedure is for when a device is not recognized, or fi ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Air Conditioning System: Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION Air conditioning system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform troubleshooting. CHECK DLC3 Check th ...