Activating System (LX450)
Connect passenger-side air bag Yellow 2-pin connector. Connect driver-side air bag Yellow 2-pin connector. Install covers. Connect negative battery cable. Staying well away from air bag modules, turn ignition switch to ACC or ON position. Ensure AIR BAG indicator light operates properly, see SYSTEM OPERATION CHECK .
Fig 3: Disconnecting Passenger-Side Air Bag Connector (ES300 & LS400 Shown; GS300 & GS400 Are Similar)