Section 2 (Steering Column Switches): Description
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2001 Lexus RX 300, 2001 Lexus LX 470, 2001 Lexus LS 430, 2001 Lexus IS 300, and 2001 Lexus GS 430. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Deactivate air bag system before performing any service operation. See AIR BAG RESTRAINT SYSTEMS article.
DO NOT apply electrical power to any component on steering column without first deactivating air bag system. Air bag may deploy.
NOTE:
On LS430, complexity of multiplex communication system and lack of complete testing information from manufacturer, has made it necessary to limit included information to component locations and selected switch and relay testing.
NOTE:
Power door locks and trunk lid are controlled by body electronic control unit. For diagnosis and testing not covered in this article see
BODY CONTROL SYSTEMS - LS430 article.
Headlight/taillight and turn signal switches (left side of column) and wiper/washer switch (right side of column) are part of the combination switch. Combination switch also includes headlight dimmer and foglight switches (left side of column on headlight switch). Cruise control switch and tilt/telescopic steering column switch are not part of combination switch.