Occupant Classification Sensor: Installation

If equipped , install a new heater mat onto a new OCS service kit foam pad.
1. Position the heater mat wire harness through the foam pad.
2. Position the cushion heater mat onto the cushion foam pad and tuck the heater mat into the foam pad trenches.
  - Make sure the openings in the cushion heater mat align to the wires in the foam pad.
3. Make sure the cushion heater mat stays in place, remove the paper strips from under the cushion heater mat and adhere to the foam pad, laying it flat with no wrinkles.
Fig 1: Identifying Cushion Heater Mat Onto Cushion Foam Pad
Courtesy of FORD MOTOR CO.

WARNING: Occupant Classification System (OCS) parts are calibrated as an assembly and must only be replaced in the configuration they are sold. Never separate parts of an assembly. Failure to follow this instruction may result in incorrect operation of the OCS and increases the risk of serious personal injury or death in a crash.

NOTE: Failure to correctly route the Occupant Classification Sensor (OCS) system components may cause component failure and incorrect operation of the OCS system.

Fig 2: Locating OCS System, Pin-Type Retainers And Bladder

Courtesy of FORD MOTOR CO.

Feed the OCS system components through the cushion support wires.
Install the OCSM in the following sequence.
1. Bend the locking tab up (if equipped).
2. Slide the OCSM over the locking tab (if equipped) and back into position.
3. Install the 2 screws.
- For an OEM OCS system , connect the electrical connector.
Fig 3: Locating OCSM, Locking Tab, Screws And Electrical Connector
Courtesy of FORD MOTOR CO.
For a service kit OCS system , tie-strap the unused OCS pressure sensor electrical connectors aside.
Attach the pressure sensor in the following sequence.
1. Bend the locking tab up.
2. Slide the pressure sensor on the bracket and engage the locking tab.
Fig 4: Locating Pressure Sensor Locking Tab
Courtesy of FORD MOTOR CO.
If equipped, connect the seat cushion heater mat electrical connector and attach the wire harness to the seat track.

Fig 5: Locating Seat Cushion Heater Mat Electrical Connector And Wire Harness Retainer
Courtesy of FORD MOTOR CO.
Install the front passenger seat cushion cover. For additional information, refer to SEAT CUSHION COVER -- FRONT Front Seat Cushion Cover in the Removal and Installation .
Repower the SRS. Do not prove out the SRS. For additional information, refer to Supplemental Restraint System (SRS) Depowering and Repowering in the General Procedures .
Carry out OCS system reset. For additional information, REFER to Occupant Classification Sensor (OCS) System Reset .

NOTE: A prepaid return postcard is provided with a new OCS system service kit. The serial number for the new part and the Vehicle Identification Number (VIN) must be recorded and sent to Ford Motor Company.

If a new OCS system service kit was installed, fill out the necessary information on the OCS system traceability card and return it along with the complete inoperative OCS system to Ford Motor Company.
- When returning the inoperative OCS system, include: foam pad, bladder, OCSM, pressure sensor, hose, electrical connectors and wire harness (OCS system service kit OCS only).