Lexus RX (RX 350L, RX450h) 2016-2025 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) 2016-2025 Repair Manual > Lighting (ext): Front Side Marker Light Bulb
ReplacementREPLACEMENT CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. DISCONNECT FRONT FENDER MOULDING SUB-ASSEMBLY (for TMMC Made) Click here 2. REMOVE FRONT SIDE MARKER LIGHT BULB (a) except TM ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Check Bus 2 Lines for Short Circuit
DESCRIPTION There may be a short circuit between the bus 2 main lines and/or bus 2 branch lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the network gateway ECU is below 54 Ω. Symptom Trouble Area Resistance between terminals 18 (CA4H) and 17 (CA4L) of network gatew ...