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

System Description

SYSTEM DESCRIPTION SYSTEM DESCRIPTION (a) The Electronic Controlled Automatic Transaxle (ECT) is an automatic transaxle that electronically controls shift timing using the ECM. The ECM detects electri ...

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: The ECM is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there are no malfunctions in the CAN communic ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Window Defogger System: Operation Check
OPERATION CHECK CHECK WINDOW DEFOGGER SYSTEM (a) Turn the engine switch on (IG). (b) Check that the rear window defogger wire (back window glass) becomes warm by operating the rear window defogger switch of the air conditioning control assembly. (c) When the vehicle is stopped, confirm that the wind ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Brake Switch "A"/"B" Signal Cross Coupled (P05042B)
DESCRIPTION The stop light switch assembly is a duplex system that transmits two signals: STP and ST1-. These two signals are used by the ECM to monitor whether or not the brake system is working properly. If the signals, which indicate the brake pedal is being depressed and released, are detected s ...