INSTALLATION PROCEDURE 1. INSTALL AIR SWITCHING VALVE ASSEMBLY 
 
 (c) Attach the wire harness clamp to the air switching valve assembly and connect the air switching valve assembly connector. 2. CONNECT NO. 1 AIR HOSE 
 3. CONNECT NO. 3 VENTILATION HOSE 
 4. INSTALL AIR CLEANER HOSE ASSEMBLY   5. INSTALL V-BANK COVER SUB-ASSEMBLY    | 
Toyota Tundra Service Manual > Occupant Classification System: System Description
   SYSTEM DESCRIPTION 1. GENERATION DESCRIPTION (a) The occupant classification system determines whether the front passenger seat is occupied by an adult or child (with child seat) or is unoccupied, based on the load that is applied to the front passenger seat and whether the seat belt is buckled. The ...