Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Diagnostic Trouble Code Chart

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 / Main Body / Trouble ...

All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch or Door Key Cylinder

DESCRIPTION The main body ECU (multiplex network body ECU) receives switch signals from the multiplex network master switch assembly and driver door key cylinder lock or unlock switch signals from fro ...

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Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Driving Support Buzzer: Inspection
INSPECTION PROCEDURE 1. INSPECT SKID CONTROL BUZZER ASSEMBLY (a) Make sure that there is no looseness in the locking part and connecting part of the connector. (b) Disconnect the skid control buzzer assembly connector. (c) Check the connector and terminals for deformation and corrosio ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Seat Heater Switch (for Front Side): Inspection
INSPECTION PROCEDURE 1. INSPECT REFRESHING SEAT SWITCH (for Front Side) (a) Apply battery voltage and check the operation of the switch according to the table below. OK: Battery Connection Condition Specified Condition Battery positive (+) → Terminal 3 Battery negative (-) → Termi ...