Grand Caravan V6-3.3L VIN R (2005)
Impact Sensor: Description and Operation
Front Impact Sensors
Front Impact Sensor
There are two front impact sensors, one on the left, and one on the right front sides of the vehicle. These sensors are mounted remotely from the impact
sensor that is internal to the Occupant Restraint Controller (ORC). The right and left front and side impact sensors are identical in construction and
calibration and each front impact sensor is secured with two screws. The front impact sensors are secured with two screws to the outboard sides of the
right and left front rail tips.
The impact sensor housing has an integral connector and two mounting ears, each with a metal sleeve to provide crush protection. A cavity in the center
of the molded black plastic impact sensor housing contains the electronic circuitry of the sensor which includes an electronic communication chip and an
electronic impact sensor. Potting material fills the cavity to seal and protect the internal electronic circuitry and components. The front impact sensors are
each connected to the vehicle electrical system through the headlamp to dash wire harness.
The front impact sensors cannot be repaired or adjusted and, if damaged or faulty, they must be replaced. If a front impact sensor is faulty, only the
sensor needs to be replaced. If the sensor is damaged or faulty, or if proper tightening torque of the screws that secure the sensor to the bracket cannot be
achieved, the sensor and bracket must be replaced.
