Occupant Classification Sensor Control Module (OCSCM)

Seat Position Sensor - Essential Notes On Removal/Replacement

NOTE: The seat position sensor, a hall-effect sensor, is fitted to the underside of the driver-side seat (and passenger-side seat on NAS vehicles). It should be noted that these sensors cannot be re-installed when removed. If any work is undertaken that requires removal of the seat position sensor, a NEW sensor MUST be fitted. Note that different sensors are fitted to left and right seats, so care should be taken to make sure the correct replacement parts are installed

The OCSCM incorporates 3 load statuses for the seat cushion:

When the load is less than the lower limit, the seat is classified as unoccupied.
When the load exceeds the lower limit, but is less than the upper limit, the seat is classified as occupied by a small person or a child restraint is being used.
When the upper limit is exceeded, the seat is classified as occupied by an adult.

The occupant classification system has four possible states as detailed in the following table:

CLASSIFICATION	SEAT STATUS	PASSENGER AIRBAG STATUS	AIRBAG INDICATOR STATUS
Empty	Empty	Disabled	Off
Occupied inhibit	The seat is occupied by a small person or a child restraint is being used	Passenger airbag and passenger side airbag operation is disabled	On
Occupied allow	The seat is occupied by an adult	Passenger airbag and passenger side airbag operation is enabled	Off
Error	-	Passenger airbag and passenger side airbag operation is disabled	On