Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Diagnosis System

Data List / Active Test

DATA LIST / ACTIVE TEST ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive func ...

Rear Window Defogger System does not Operate

DESCRIPTION When the rear window defogger switch on the radio receiver assembly is pressed, the operation signal is transmitted to the air conditioning amplifier assembly via CAN communication. When t ...

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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Fuel Injector (for Direct Injection): Installation
INSTALLATION PROCEDURE 1. INSTALL FUEL INJECTOR SEAL (a) Apply engine conditioner to the area shown in the illustration. Using a piece of cloth, clean carbon deposits from the fuel injector assembly and its grooves. NOTICE: Do not clean the tip of the fuel injector assembly. Do not use a w ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Automatic Transaxle System: Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting On-Board Diagnostic (OBD II) vehicles, an OBD II scan tool (complying with SAE J1978) must be connected to the vehicle. Various data output from the vehicle ECM can then be read. (b) OBD II regulations require that the vehicle on-board computer i ...