Grand Caravan V6-3.8L VIN L (2007)
Seat Cushion: Service and Repair
Front Seat Cushion
Removal
REMOVAL
A non-calibrated Occupant Classification Module (OCM) is the only component of the Occupant Classification System (OCS) that is available for
separate service replacement, as outlined in the procedures that follow. The OCS components of the passenger side front seat cushion including the
occupant detection bladder, pressure sensor, seat cushion foam and the OCM are a factory-calibrated and assembled unit. Once this unit is connected to a
vehicle electrically, the calibration settings are uploaded from the OCM and stored in the memory of the Airbag Control Module (ACM). If only the
OCM is subsequently replaced, the new, non-calibrated OCM learns the proper calibration settings from the ACM after it is connected to the vehicle
electrically.
If any of the remaining OCS components of the passenger side front seat cushion require replacement, they are serviced only as a factory-calibrated,
assembled, and tamper-evident service replacement package. This package includes the bladder, sensor, foam, wiring and a calibrated OCM. When
installing this package, always replace all of the existing components with the new components as a unit. Do not attempt to separate or disconnect any of
the new OCS components contained in the service replacement package from each other, and do not attempt to reuse any of the replaced components in
this or any other vehicle.
Once any of the original factory-installed components except the OCM have been replaced with the service replacement package components, the OCM
can only be serviced by replacing the entire passenger side front seat cushion unit with another complete service replacement package.
WARNING: To avoid personal injury or death, on vehicles equipped with airbags, disable the supplemental restraint system before attempting
any steering wheel, steering column, airbag, occupant classification system, seat belt tensioner, impact sensor, or instrument panel component
diagnosis or service. Disconnect and isolate the battery negative (ground) cable, then wait two minutes for the system capacitor to discharge
before performing further diagnosis or service. This is the only sure way to disable the supplemental restraint system. Failure to take the
proper precautions could result in accidental airbag deployment.
WARNING: To avoid personal injury or death on vehicles equipped with the occupant classification system (OCS), only the occupant
classification module (OCM) and the seat cushion trim may be serviced separately. All other components of the passenger side front seat
cushion assembly must be serviced only as a complete factory-calibrated, assembled and tamper-evident service replacement package. This
package includes the bladder, sensor, foam, wiring and a calibrated OCM. When installing this package always replace all of the existing
components with the new components as a unit. Do not attempt to separate or disconnect any of the new OCS components in the service
replacement package from each other, and do not attempt to reuse any of the replaced components in this or any other vehicle. Failure to take
the proper precautions could result in failure of the passenger airbag to deploy when required, or in passenger airbag deployment when not
required.
1. Remove seat cushion side covers, and leave connector connected, if equipped.
2. Remove seat track rear cover (if equipped).
3. If equipped, open storage bin to access front pan bolts.
4. Remove bolts attaching seat cushion pan to seat track.
5. Disconnect wire connectors, if equipped.
6. Remove seat cushion from seat.
7. Disengage J-strap retainers holding seat cover to cushion.
8. Remove seat cushion pan from cover and pad.
Installation
INSTALLATION
A non-calibrated Occupant Classification Module (OCM) is the only component of the Occupant Classification System (OCS) that is available for
separate service replacement, as outlined in the procedures that follow. The OCS components of the passenger side front seat cushion including the
occupant detection bladder, pressure sensor, seat cushion foam and the OCM are a factory-calibrated and assembled unit. Once this unit is connected to a
vehicle electrically, the calibration settings are uploaded from the OCM and stored in the memory of the Airbag Control Module (ACM). If only the
OCM is subsequently replaced, the new, non-calibrated OCM learns the proper calibration settings from the ACM after it is connected to the vehicle
electrically.
