SYSTEM DIAGRAM
w/ Manual (SOS) Switch
w/o Manual (SOS) Switch
for 9 Speakers
for 12 Speakers 
Parts Location
System DescriptionLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Steering Pad Switch: Components
COMPONENTS ILLUSTRATION *1 STEERING PAD SWITCH ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Heated Steering Wheel System: Terminals Of Ecu
TERMINALS OF ECU STEERING WHEEL HEATER CONTROL ASSEMBLY HINT: Perform the inspection from the harness side with the connectors connected. (a) Measure the voltage or resistance according to the value(s) in the table below. Terminal No. (Symbol) Terminal Description Condition Specified Condi ...