Lexus RX (RX 350L, RX450h) 2016-2026 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 symptom 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 areas below.
• The road sign assist system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting.

  Click here

Utility

UTILITY NOTICE: If the forward recognition camera has been replaced due to a malfunction in the road sign assist system, be sure to perform forward recognition camera adjustment. Otherwise all systems ...

Terminals Of Ecu

TERMINALS OF ECU CHECK FORWARD RECOGNITION CAMERA NOTICE: DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Front Power Seat Control System (w/ Memory): Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Driver Seat / Trouble Codes. Body Electrical > Driver Seat > Trouble Codes (e) Check for DTCs. CLEAR DTC (a) Conn ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Dynamic Torque Control Awd System: Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Check for DTCs. (1) Connect the Techstream to the DLC3. (2) Turn the engine switch on (IG). (3) Turn the Techstream on. (4) Read the DTCs following the prompts on the Techstream screen. Enter the following menus: Chassis / Four Wheel Drive / Trouble Codes. Chassis > ...