OEM 2005 Toyota Sienna Air Bag

2005 Toyota Sienna Parts Questions & Experts Answers

• Q: What steps should be taken to initialize the occupant classification ECU and check Air Bag components after a collision on 2005 Toyota Sienna?

  A: A proper initialization of the occupant classification ECU becomes necessary after any car crash for certain circumstances including replacement of the occupant classification ECU and passenger seat installation or removal. Additionally, this process applies when accessories get added to the vehicle or the passenger Air Bag ON/OFF indicator displays "OFF" when the seat is empty. Also perform this procedure when the vehicle requires repairs due to an accident. The diagnostic system check of the horn button assembly requires immediate attention since any sign of cuts, cracks, or discoloration needs direct replacement. When an Air Bag fails to deploy during an impact inspection the horn button assembly should be checked for defects while ensuring no interference with steering wheel elements. Instruct to check the instr pnl pass l/door Air Bag assembly for all detectable defects followed by replacement of the component in case of visual damage discoveries. A complete check of the Air Bag assembly must take place in vehicles that get into collisions before making replacement decisions. Diagnostic testing of the front seat Air Bag assemblies must happen and replacement must happen if defects appear during testing. Inspection of the curtain shield Air Bag assembly should be followed by necessary replacement if signs of damage are detected. A replacement is necessary for the Air Bag sensor assembly center when any Air Bags trigger deployment. The inspection of Air Bag sensor front and side Air Bag sensor assembly will proceed for damage detection with replacement of detected faulty parts. The rear Air Bag sensor requires examination with necessary replacement when required. Perform diagnostics and conduct visual inspections of both seat position Air Bag sensors and occupant classification ECUs to identify damage which requires replacement depending on the inspection results. The quality of all components depends on checking the wire harness and connectors for breaks or damage to maintain operational function.