Installation
ComponentsLexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Catalyst System Efficiency Below Threshold Bank 1 (P042000,P043000)
MONITOR DESCRIPTION The ECM uses sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency. The first sensor, the air fuel ratio sensor, sends pre-catalyst information to the ECM. The second sensor, the heated oxygen sensor, sends post-catalyst informat ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Back Door: Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during back door disassembly/reassembly are shown below. Necessary Procedure After Parts Removed/Installed ...