Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Precaution

NOTICE:

• After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 120 seconds before disconnecting the cable from the negative (-) battery terminal.
• When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the terminal is reconnected.

  System Name	See Procedure
  Lane Control System
  Intelligent Clearance Sonar System
  Parking Assist Monitor System
  Panoramic View Monitor System
  Lighting System (w/ Automatic Headlight Beam Level Control System)
  Power Door Lock Control System
  Power Back Door System (w/ Outside Door Control Switch)

• Radio receiver assembly*1
• DCM (telematics transceiver)*2

• *1: After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, SiriusXM radio ID registration is necessary (w/ SXM Function).

  *2: w/ Manual (SOS) Switch

Audio And Visual System (for 8 Inch Display)

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Parts Location

PARTS LOCATION ILLUSTRATION *1 TELEPHONE MICROPHONE ASSEMBLY *2 INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - ECU-IG2 NO. 3 FUSE (w/ Manual (SOS) Switch) - DCM FUSE (w/ Manual (SOS) Switch) - E ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 8 Inch Display): Cellular Phone Registration Failure
CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System. Click here HINT: If the operation of a cellular phone or the rad ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Theft Deterrent System: Power Source Circuit
DESCRIPTION Based on changes in the power source voltage, the main body ECU (multiplex network body ECU) can detect if the battery has been disconnected and reconnected. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Regis ...