Belt Tension Sensor (BTS)

The safety belt tension sensor:

• is part of the front passenger safety belt retractor assembly.
• is located at the safety belt anchor point on the passenger seat.
• is used in conjunction with the OCS  system.
• is a 3-wire Hall-effect sensor that is part of the front passenger safety belt and retractor assembly.

The safety belt tension sensor is used by the OCS  system to identify the presence of a child safety seat on the front passenger seat. The safety belt tension sensor senses the tension on the safety belt assembly then provides an output to the OCSM  , indicating that the safety belt assembly is cinched. After sensing the weight applied to the seat by the occupant and using the safety belt tension sensor input, the OCSM  determines how the occupant should be classified and communicates this information to the RCM  . If the occupant is classified as a child, the RCM  will then automatically deactivate the passenger air bag module and illuminate the PAD  indicator.