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Seat Cushion - Front, Passenger Side: Assembly

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

All seats 

  1. Bend the retaining tab back on the pressure sensor component bracket.
    Fig 1: Bending Retaining Tab Back On Pressure Sensor Component Bracket
    G06099696Courtesy of FORD MOTOR CO.

    Seat with original equipment OCS system 

    2. NOTE: Failure to route the seat Occupant Classification Sensor (OCS) components through the correct seat cushion support opening can cause component failure.
    NOTE: While positioning the seat cushion frame and Occupant Classification Sensor (OCS), be careful not to damage any of the components. Failure to do so can result in component failure.
    Fig 2: Locating Pressure Sensor And Hose
    G06099697Courtesy of FORD MOTOR CO.
  2. Feed the OCS  system components (pressure sensor and hose) through the opening in the seat cushion frame.
  3. Align the OCS  bladder to the seat cushion frame.
  4. Install the 2 pin-type retainers to the OCS  bladder and seat cushion frame.
    5. NOTE: Make sure the pressure sensor hose is not kinked during installation.
  5. Install the pressure sensor onto the seat cushion frame bracket, making sure the retaining tab is completely engaged.
    • When installed correctly, an audible click will be heard and the pressure sensor will not be able to be removed from its bracket without disengaging the retaining tab.
  6. Slide the OCSM  into the seat cushion frame bracket and install the rivets.
    • The OCSM  must be correctly positioned and securely fastened in place. Failure to do so can set a DTC in the Restraints Control Module (RCM).
  7. Position the foam pad to the seat cushion frame.
    8. NOTE: Inspect the seat cushion pad and seat cushion trim cover for any foreign objects, before installing the seat cushion trim cover to the seat cushion pad. If any foreign objects are found, remove them. Failure to follow these instructions may result in incorrect operation of the Occupant Classification Sensor (OCS) system and may cause system failure.
    Fig 3: Locating Seat Cushion Trim Cover J-Clips
    G06099691Courtesy of FORD MOTOR CO.
  8. Install the cushion cover and attach the retainers to the cushion frame.
    9. NOTE: While positioning the seat cushion frame and Occupant Classification Sensor (OCS), be careful not to damage any of the components. Failure to do so can result in component failure.
  9. Position the seat cushion assembly to the seat track and install the 4 seat track-to-cushion frame bolts.
    • Tighten to 25 Nm (18 lb-ft).
  10. Install the wiring harness.
    1. Connect the OCSM  electrical connector.
    2. Connect the pressure sensor electrical connector.
      • Attach the wiring harness to the cushion frame.
        Fig 4: Identifying OCSM Electrical And Pressure Sensor Electrical Connectors
        G06099690Courtesy of FORD MOTOR CO.

    Seat with OCS system service kit 

    11. NOTE: Inspect the Occupant Classification Sensor (OCS) bladder, seat cushion frame and support assembly for any foreign objects, before installing the OCS  to the seat cushion frame. If any foreign objects are found, remove them. Failure to follow these instructions may result in incorrect operation of the OCS  system and may cause system failure.
    NOTE: Failure to route the seat Occupant Classification Sensor (OCS) components through the correct seat cushion support opening can cause component failure.
    NOTE: While positioning the seat cushion frame and Occupant Classification Sensor (OCS), be careful not to damage any of the components. Failure to do so can result in component failure.
    Fig 5: Identifying OCS Service Kit Components
    G06099695Courtesy of FORD MOTOR CO.
  11. Route the OCS  system service kit components (hose, pressure sensor, OCSM  , wire harness and connectors) through the opening in the seat cushion frame.
    12. NOTE: When installing a service part OCS  , the seat wire harness pressure sensor electrical connector is not used.
    NOTE: Make sure the pressure sensor hose is not kinked during installation.
    Fig 6: Identifying Pressure Sensor, Seat Cushion Pan Bracket And Rivets
    G06099701Courtesy of FORD MOTOR CO.
  12. Install the OCS  system components to the seat cushion frame.
    1. Install the pressure sensor onto the seat cushion frame bracket, making sure the retaining tab is completely engaged.
      • When installed correctly, an audible click will be heard and the pressure sensor will not be able to be removed from its bracket without disengaging the retaining tab.
    2. Slide the OCSM  into the seat cushion frame bracket.
      • The OCSM  must be correctly positioned and securely fastened in place. Failure to do so can set a DTC in the RCM  .
    3. Install the rivets.
  13. Install the cushion cover and attach the retainers to the seat cushion frame.
    Fig 7: Locating Seat Cushion Trim Cover Retainers
    G06099702Courtesy of FORD MOTOR CO.
    14. NOTE: While positioning the seat cushion frame and Occupant Classification Sensor (OCS), be careful not to damage any of the components. Failure to do so can result in component failure.
  14. Position the seat cushion assembly to the seat track and install the 4 seat track-to-cushion frame bolts.
    • Tighten to 25 Nm (18 lb-ft).
  15. NOTE: Do not tie strap any wiring to the OCS  bladder and pressure sensor hose.
    • Connect the seat wire harness OCS  system electrical connector to the service part OCS  system electrical connector.
    • Install the 2 wiring clips on the wiring harness to the cushion frame.
    • Tie strap the unused seat wire harness pressure sensor electrical connector safely aside.
    • Tie strap all loose wire harnesses and electrical connectors safety aside.

    All seats 

  16. If equipped, connect the heated seat components.
    • Install the heated seat relay to the bracket on the cushion frame.
    • Connect the heated seat relay electrical connector.
    • Connect the cushion heater mat electrical connector and attach to the cushion frame.
  17. Attach the seat electrical connector and wiring harness to the seat track.
  18. Connect the safety belt buckle pretensioner and buckle switch electrical connectors.
    • Route the wiring harness between the seat track and cushion frame.
    • Attach the wiring harness pin-type retainer.
  19. Install the seat backrest. For additional information, refer to SEAT BACKREST - FRONT .
  20. Install the seat. Do not prove out the Supplemental Restraint System (SRS) at this time.  For additional information, refer to SEAT - FRONT .
    21. WARNING: Make sure the front passenger seat repair is complete, the seat and all attached components (head restraint, seat side shield, etc.) are correctly assembled, and the seat is correctly installed to the vehicle before carrying out the System Reset. Failure to follow these instructions may result in incorrect operation of the occupant classification sensor (OCS) system and increases the risk of serious personal injury or death in a crash.
    WARNING: Install a new occupant classification sensor (OCS) system service kit as a complete assembly. Never install only part of the kit components. Failure to follow this instruction may result in incorrect operation of the OCS  system and increases the risk of serious personal injury or death in a crash.
    NOTE: To prevent system failure, the following precautions must be taken before carrying out the Occupant Classification Sensor (OCS) system reset:
    • Make sure the voltage to the Occupant Classification System Module (OCSM) is above 8 volts and less than 18 volts.
    • Make sure the OCS  system is not at a temperature below 6°C (42°F) or above 36°C (97°F) when initiating the OCS  system reset process. If the vehicle has been exposed to extreme cold or hot temperatures, the vehicle must be exposed and kept at a temperature within the limits, 6°C to 36°C (42°F to 97°F) for a minimum of 30 minutes.
    • Make sure nothing is present on the passenger seat before carrying out the OCS  system reset and nothing is placed on the seat during the process.
    • Make sure a minimum 8-second time period has passed after cycling the ignition switch ON before carrying out the OCS  system reset process.
  21. Carry out the OCS  system reset.
  22. If the first system reset attempt was unsuccessful, carry out a thorough visual inspection of the following and repair any concerns found.
    • OCS  system connector and wiring for damage
    • Pressure sensor hose for kinks and/or damage
    • Seat-related wiring harness and body wiring harness terminals and connectors for damage
    23. NOTE: The ignition switch must be cycled after the OCS  system reset.
  23. Carry out a second OCS  system reset. If the second attempt is unsuccessful, install a new OCS  system service kit. For additional information, refer to Occupant Classification System Service Kit in OCCUPANT CLASSIFICATION SENSOR -- SERVICE KIT .
  24. Prove out the SRS  as follows:

    Turn the ignition key from ON to OFF. Wait 10 seconds, then turn the key back to ON and visually monitor the air bag warning indicator with the air bag modules installed. The air bag warning indicator will light continuously for approximately 6 seconds and then turn off. If an air bag SRS  fault is detected, the air bag warning indicator will:

    • fail to light.
    • remain lit continuously.
    • flash.

    The flashing might not occur until approximately 30 seconds after the ignition switch has been turned from the OFF to the ON position. This is the time required for the RCM  to complete the testing of the SRS  . If the air bag warning indicator is inoperative and a SRS  fault exists, a chime will sound in a pattern of 5 sets of 5 beeps. If this occurs, the air bag warning indicator and any SRS  fault discovered must be diagnosed and repaired.

    Clear all continuous DTCs from the RCM  and OCSM  using a scan tool.

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