Occupant Classification Sensor: Installation

All occupant classification sensor (OCS) system rails 

WARNING: To prevent foreign material and contaminants from entering the occupant classification sensor (OCS) rail, make sure the OCS rail shield is present, is not damaged and is correctly installed to the OCS rail. Failure to follow these instructions may result in incorrect operation of the OCS system and increases the risk of serious personal injury or death in a crash.
NOTE: Make sure the OCS system rail shield is seated correctly on the OCS system rail. Align the locator pin to the shield and attach the OCS system rail shield rear tab to the OCS system rail.
1. Position the OCS system rail shield on the OCS system rail. Then position the OCS system rail and shield on the seat track while noting the correct installation of the OCS system rail locator pin into the seat track.
Fig 1: Locating OCS Rail Locator Pin
Courtesy of FORD MOTOR CO.
NOTE: To make sure of correct installation, the OCS system rail bolts must be installed in the sequence shown.
2. While holding the OCS system rail and shield firmly in position, install the OCS system rail front mounting position rear bolt.
   • Tighten to 25 Nm (18 lb-ft).
Fig 2: Locating OCS Rail Front Mounting Position Rear Bolt
Courtesy of FORD MOTOR CO.
3. While still holding the OCS system rail and shield firmly in position, install the OCS system rail front mounting position front bolt.
   • Tighten to 25 Nm (18 lb-ft).
Fig 3: Locating OCS Rail Front Mounting Position Front Bolt
Courtesy of FORD MOTOR CO.
4. Move the seat to the forward most position.
   • If equipped with a power seat track, apply power and ground to the pins shown.
Fig 4: Locating Power Seat Track Motor Electrical Connector Pins
Courtesy of FORD MOTOR CO.
5. Install the 2 rear OCS system rail bolts.
   • Tighten to 25 Nm (18 lb-ft).
6. Connect the OCS system rail electrical connector.
7. Center the seat track to the seat cushion pan.
   • If equipped with a power seat track, apply power and ground to the pins shown.
Fig 5: Locating Power Seat Track Motor Electrical Connector Pins
Courtesy of FORD MOTOR CO.
8. If equipped, connect the power seat track motor electrical connector.

Seat receiving a new OCS system rail 

9. Install the rearward seat riser and the 2 bolts.
   • Tighten to 25 Nm (18 lb-ft).
10. Install the forward seat riser and bolt.
    • Tighten to 25 Nm (18 lb-ft).

Outboard OCS system rail 

11. Attach the cushion side shield.
    • Position the rear retainer clip on the cushion side shield through the hole in the backrest trim cover flap and attach it to the rear edge of the seat.
12. If equipped, install the spring clip and the manual recliner handle.
13. If equipped, install the manual lumbar control knob.

All OCS system rails 

14. Install the passenger seat. Do not prove out the SRS at this time.  For additional information, refer to SEATING article.
15. Carry out the appropriate procedure after installation of an OCS system component.
    • If installing the original OCS system component, carry out the Occupant Classification System (OCS) Zero Seat Weight Test and prove out the SRS. For additional information, refer to Occupant Classification Sensor (OCS) System Zero Seat Weight Test .
    • If installing a new OCS system component, carry out the Occupant Classification Sensor (OCS) System Reset procedure and prove out the SRS. For additional information, refer to Occupant Classification Sensor (OCS) System Reset .