Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: How To Troubleshoot Ecu Controlled Systems

Introduction

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General Information

GENERAL INFORMATION A large number of ECU controlled systems are used in this vehicle. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical kn ...

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Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Lighting System: Instrument Panel Box Light and Footwell Light Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) controls the instrument panel box light and footwell light. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. Click here PROCEDURE 1. PERFORM ACT ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Steering Lock System: Terminals Of Ecu
TERMINALS OF ECU TERMINAL INSPECTION *a Component without harness connected (Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly)) - - (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Input/Output Wiring Co ...