Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Starter Signal Circuit
DESCRIPTION While the engine is being cranked, current flows from terminal STAR of the certification ECU (smart key ECU assembly) to the park/neutral position switch assembly and to terminal STA of the ECM (STA signal). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits r ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Steering Pad: Installation
INSTALLATION PROCEDURE 1. INSTALL HORN BUTTON ASSEMBLY (a) Check that the engine switch is off. (b) Check that the cable is disconnected from the negative (-) battery terminal. CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS s ...