Seat Cushion - Front, Passenger Side
Seat Cushion - Front, Passenger Side
Disassembly
WARNING: Never probe the electrical connectors on air bag, safety canopy or side air curtain modules. Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.
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: Never probe the electrical connectors on safety belt buckle/retractor pretensioners or adaptive load limiting retractors. Failure to follow this instruction may result in the accidental deployment of the safety belt pretensioners or adaptive load limiting retractors, which increases the risk of serious personal injury or death.
NOTICE: To prevent system failure, it is necessary to carry out the Occupant Classification Sensor (OCS) system reset when a front passenger seat cushion is disassembled, a new trim cover installed or an OCS system service kit is installed. A scan tool is used to carry out the OCS system reset command.
NOTICE: Do not install a new heater mat on a front passenger seat cushion. If a new cushion heater mat is needed on the front passenger seat, an Occupant Classification Sensor (OCS) service kit equipped with a heater mat must be installed. Failure to follow this instruction may result in incorrect operation of the OCS system. Refer to Air Bag Systems for the OCS removal and installation procedure.
NOTE: Occupant Classification Sensor (OCS) system components (seat cushion foam pad, bladder with pressure sensor and Occupant Classification System Module (OCSM) are calibrated to each other and are serviced as an assembly. The OCS system components are not to be installed separately. If a new OCS system, OCS system component or seat cushion foam pad are needed, a new OCS system service kit (seat cushion foam pad, bladder with pressure sensor and OCSM must be installed as an assembly.
NOTE: To identify between a production OCS system and an OCS system service kit, inspect the OCSM electrical connector. A production OCS system allows the disconnection of the OCSM electrical connector. An OCS system service kit has the OCSM electrical connector glued to the OCSM, it cannot and should not be disconnected or altered.
NOTE: The air bag warning indicator illuminates when the correct Restraints Control Module (RCM) fuse is removed and the ignition switch is ON.
NOTE: The Supplemental Restraint System (SRS) must be fully operational and free of faults before releasing the vehicle to the customer.
NOTE: The memory seat track position sensors are integral to the memory seat track motors. The memory seat track motor electrical connectors will connect to a seat track without the memory option. Make sure the correct seat track is being installed.
All seats
1. Remove the front seat. For additional information, refer to Seat - Front Seat - Front.
2. Remove the front seat backrest. For additional information, refer to Seat Backrest - Front Seat Backrest - Front.
3. Remove the seat track. For additional information, refer to Seat Track - Front Seat Track - Front.
Seats with an original equipment Occupant Classification Sensor (OCS)
4. Disconnect the OCS system pressure sensor electrical connector.
5. Remove the pin-type retainers.
6. NOTE: Make note of the opening that the OCS system pressure sensor and hose are being fed through on the seat cushion support assembly for installation purposes.
Remove the OCS bladder, hose and pressure sensor from the seat cushion frame.
7. Disconnect the OCSM electrical connector.
Seats with an OCS system service kit
8. Disconnect the OCS system service kit electrical connector.
Power seats with an OCS system service kit
9. Remove the tie strap retaining the unused pressure sensor electrical connector from the seat wiring harness.
All seats
10. NOTICE: Do not oversize the seat cushion frame holes used to rivet the Occupant Classification System Module (OCSM) in place. Failure to follow this instruction may result in component damage and/or system failure.
Using a 5 mm (3/16 in) drill, remove the 2 rivets and the OCSM from the seat cushion frame bracket.
Seats with an OCS system service kit
11. NOTE: Make note of the opening that the OCS system service kit components are being fed through on the seat cushion support assembly for installation purposes.
Remove the OCS system service kit from the seat cushion frame.
- Remove any tie straps securing wire harnesses or electrical connectors.
- Feed the hose, pressure sensor, wire harness, electrical connector and OCSM through the seat cushion frame support assembly.
Heated seats
12. Remove the rivet, tip the heated seat module and slide the retainers out of the cushion frame bracket, disconnect and remove the heated seat module.
Seats with power recline
13. Disconnect the power recliner motor electrical connector.
14. Drive out the 2 large roll pins.
15. Remove the 3 bolts and power recliner motor assembly.
Vehicles with manual recline seats
16. Drive out the 2 large roll pins and remove the manual recliner.
All vehicles
17. Remove the seat wire harness.
18. Remove the hog rings and cushion trim cover.
Assembly
Heated seats
1. NOTICE: If installing a new cushion foam pad, the heater mat cannot be reused. A new heater mat must be installed. Failure to follow this instruction may result in component or system failure.
NOTE: A new heater mat can be attached to the foam pad where the old heater mat was removed but a used heater mat should not be reattached to any foam pad.
Seats receiving a new OCS system service kit, install the new cushion heater mat onto the new cushion foam pad.
All seats
2. Position the cushion trim cover to the cushion foam pad and install the hog rings.
3. Install the seat wire harness.
Seats with manual recline
4. Position the manual recliner and drive the 2 large roll pins into the cushion frame and through the front manual recliner eyelets.
Seats with power recline
5. Position the power recliner to the cushion frame and install the 3 bolts.
- Tighten to 10 Nm (89 lb-in).
6. Drive the 2 large roll pins into the cushion frame and through the front power recliner eyelets.
7. Connect the power recliner electrical connector.
Heated seats
8. Slide the heated seat module onto the bracket, making sure it is locked in place and install the rivet. Connect the heated seat module electrical connector.
Seats with an OCS system service kit
9. 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.
NOTICE: Inspect the Occupant Classification Sensor (OCS) assembly, seat cushion frame and support assembly for any foreign objects before installing the OCS assembly to the seat cushion frame. If any foreign objects are found, remove them. Failure to follow these instructions may result in incorrect OCS system operation or failure.
NOTICE: Failure to route the Occupant Classification Sensor (OCS) system components through the correct seat cushion support opening may cause component failure.
Position the OCS system to the seat cushion frame.
- Using an OCS system service kit, feed the OCSM, electrical connector, wire harness, pressure sensor and hose through the largest opening at the front of the seat cushion frame support assembly.
- Position the seat cushion pad and bladder to the seat cushion frame.
10. Install the OCSM.
1. Position the OCSM and install the rivets.
2. Connect the electrical connector.
- The OCSM must be correctly positioned and securely riveted in place. Failure to do so may set a DTC in the RCM.
Power seats with an OCS system service kit
11. Tie strap the unused OCS system pressure sensor electrical connector to the seat wiring harness.
Seats with an OE OCS
12. Install the OCSM and rivets to the cushion frame bracket.
- The OCSM must be correctly positioned and securely riveted in place. Failure to do so may set a DTC in the RCM.
13. Connect the OCSM electrical connector.
14. 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.
NOTICE: Inspect the Occupant Classification Sensor (OCS) assembly, seat cushion frame and support assembly for any foreign objects before installing the OCS assembly to the seat cushion frame. If any foreign objects are found, remove them. Failure to follow these instructions may result in incorrect OCS system operation or failure.
NOTICE: Failure to route the Occupant Classification Sensor (OCS) system components through the correct seat cushion support opening may cause component failure.
NOTICE: While positioning the seat cushion frame and Occupant Classification Sensor (OCS) assembly, be careful not to damage any of the components. Failure to do so may result in component failure.
Position the OCS bladder to the cushion frame.
- Feed the pressure sensor and hose through the center opening in the cushion frame wires.
15. Install the OCS bladder pin-type retainers.
All seats
16. NOTE: Make sure the pressure sensor is correctly installed and retained to the seat track bracket and the pressure sensor hose is not kinked during installation.
Install the seat track. For additional information, refer to Seat Track - Front Seat Track - Front.
17. Install the front seat backrest. For additional information, refer to Seat Backrest - Front Seat Backrest - Front.
18. Install the seat. For additional information, refer to Seat - Front Seat - Front.
19. Repower the SRS. Do not prove out the SRS at this time. For additional information, refer to Supplemental Restraint System (SRS) Depowering and Repowering in the General Procedures of Air Bag Systems.
20. 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.
NOTICE: 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 the carrying out the OCS system reset process.
Carry out the OCS system reset.
21. 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
22. NOTE: The ignition switch must be cycled after the OCS system reset.
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 Air Bag Systems.
23. Prove out the Supplemental Restraint System (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.
24. NOTE: When installing a new OCS system service kit, a prepaid return postcard is provided with the new OCS. 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 traceability card and return it along with the complete inoperative OCS system to Ford Motor Company.
- When returning the inoperative OCS, include: seat cushion foam pad, bladder, OCSM, pressure sensor (transducer), hose, electrical connectors and wire harness (service part OCS only).
