Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Problem Symptoms Table

HINT:

• Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table.
• Check each system by checking the suspected areas in the order they are listed. Replace parts as necessary.
• Inspect the fuses and relays related to this system before inspecting the suspected area below.

Precaution

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

System Description

SYSTEM DESCRIPTION FUNCTION OF MAIN COMPONENTS Component Function Multiplex tilt and telescopic ECU This ECU sends a control signal to the tilt motor and telescopic motor, based on signals ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Tire Pressure Monitor ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Tire Pressure Monitor ECU Communication Stop Mode Either condition is met: "Tire Pressure" is not displayed on the CAN Bus Check screen of the Techstream. Click here Communication system DTCs (DTCs that start with U) that correspon ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Seat Heater System: Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE SEAT HEATER SYSTEM HINT: The following items can be customized. NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Be sure to make a note of the current settings before customizing. When troubleshootin ...