Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Operation History List

NOTICE:

• The cause of a malfunction is stored in the RAM or EEPROM in the certification ECU (smart key ECU assembly). As the cause of a malfunction stored in the RAM will be cleared when the cable is disconnected from the negative (-) battery terminal, do not disconnect the cable from the negative (-) battery terminal before checking and recording the operation history.
• When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Access. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.

Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a ...

Open in Driver Side Electrical Antenna Circuit (B27A1)

DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the front door outside handle assembly (for driver door) (electrical key antenna) at i ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION The No. 1 stereo jack adapter assembly sends the sound signal from an external device to the radio receiver assembly via this circuit. The sound signal that has been sent is amplified by the stereo component amplifier assembly and then is sent to the speakers. If there is an open or shor ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Windshield Deicer System: Operation Check
OPERATION CHECK CHECK WINDSHIELD DEICER SYSTEM (a) Turn the engine switch on (IG). (b) Check that the windshield deicer wire (windshield glass) becomes warm by operating the front wiper deicer switch. (c) Confirm that windshield deicer system operation stops after approximately 15 minutes. NOTICE: I ...