Lexus RX (RX 350L, RX450h) 2016-2024 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.

• *: Tight corner braking phenomenon: a phenomenon in which an AWD vehicle may lurch and decelerate due to a rotational speed difference between the front and rear wheels, such as during low-speed cornering in AWD mode.

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure listed to troubleshoot the Dynamic Torque Control AWD system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP ...

Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION Dynamic torque control AWD 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 ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Can Communication System: Check Bus 5 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the bus 5 main lines and/or bus 5 branch lines when the resistance between terminals 15 (CA5H) and 16 (CA5L) of the network gateway ECU is below 54 Ω. Symptom Trouble Area Resistance between terminals 15 (CA5H) and 16 (CA5L) of network gatew ...

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Occupant Classification System: Dtc Check / Clear
DTC CHECK / CLEAR DTC CHECK (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG), and wait for at least 10 seconds. (d) Turn the Techstream on. (e) Enter the following menus: Body Electrical / Occupant Detection / Trouble Codes. Body Electrical & ...