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 60 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
  Pre-collision 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)

1. Move the vehicle to an open area with good GPS reception.

   HINT:

   The GPS icon is displayed on the map screen when the reception is good.

2. Turn the engine switch on (IG), and then wait several minutes while the system acquires time and location data and activates Destination Assist and Destination.

Lexus Enform System

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Parts Location

PARTS LOCATION ILLUSTRATION *A w/ Navigation System - - *1 DCM (TELEMATICS TRANSCEIVER) *2 FRONT NO. 3 SPEAKER ASSEMBLY *3 DLC3 *4 RADIO RECEIVER ASSEMBLY *5 NAVIGA ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Dynamic Radar Cruise Control System: Software Incompatibility with Brake System Control Module Not Programmed (U031851)
DESCRIPTION If the forward recognition camera cannot verify the vehicle information sent from the skid control ECU (brake actuator assembly), the forward recognition camera stores DTC U031851. DTC No. Detection Item DTC Detection Condition Trouble Area MIL DTC Output from U031851 ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever a lighting system DTC is stored, the No. 1 headlight ECU sub-assembly and forward recognition camera stores the current vehicle state as freeze frame data. CHECK FREEZE FRAME DATA (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on ( ...