Five Hundred AWD V6-3.0L VIN 1 (2005)
Seat Belt Tension Sensor: Description and Operation
Supplemental Restraint System
SAFETY BELT TENSION SENSOR
The safety belt tension sensor:
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is part of the front outboard passenger safety belt retractor assembly.
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is located at the safety belt anchor point on the passenger seat.
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is used in conjunction with the occupant classification sensor (OCS) system.
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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 outboard passenger seat. The safety
belt tension sensor senses the tension on the safety belt assembly then provides an output to the OCS system electronic control unit (ECU), 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
OCS system determines how the occupant should be classified and communicates this information to the restraints control module (RCM). If the
occupant is classified to be a child, the RCM will then automatically deactivate the passenger air bag module.
