Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System: IG Signal Circuit
DESCRIPTION This circuit detects the engine switch on (IG) or off condition, and sends it to the main body ECU (multiplex network body ECU). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
Before re ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/o Automatic Headlight Beam Level Control System): High Beam Headlight Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) controls the high beam headlights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
Before replacing the main body ECU (multiplex network bo ...