Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Front Power Seat Control System(w/o Memory)

Wireless-linked Return Function does not Operate

DESCRIPTION When a door is unlocked using the wireless unlock function, the certification ECU (smart key ECU assembly) sends a key ID signal to the main body ECU (multiplex network body ECU). When a d ...

Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cab ...

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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Seat Heater System: Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Seat heater 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 repairs. CHECK DLC3 (a) Check the DLC ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Heated Steering Wheel Controller: Installation
INSTALLATION PROCEDURE 1. INSTALL STEERING VIBRATION AND HEATER ECU (a) Connect the connector to the steering vibration and heater ECU. (b) Install the steering vibration and heater ECU to the lower steering wheel boss cover with the 2 screws. NOTICE: If the heater thermistor comes off the lower ste ...