Seats: Description and Operation
Seats
Front Seats
The front bucket seats are equipped with the following serviceable items:
- Head restraints attached to the seat backrests
- Heated cushions and backrests (if equipped)
- Seat backrest and cushion covers
- Seat backrest and cushion foam pads
- Seat backrest and cushion frames
- Manual lumbar in the driver seat backrest (if equipped)
- Manual seat tracks
- Power seat track attached to the driver seat (if equipped)
- Seat control switch attached to the driver seat cushion side shield
- Occupant Classification System (OCS) in the passenger seat cushion
- Safety belt buckle pretensioners attached to the seat tracks
- Side air bags in the seat backrests
Power Seats
The driver power seat is equipped with a 6-way power seat track and a seat mounted control switch to move the seat horizontally and vertically (front and rear height).
Seat track motors are part of power seat track assembly and are not serviceable separately.
Heated Seats
This system allows the electrical heating of the front seats on demand.
The components of the heated seat system include the following:
- Heater mats located in each seat cushion and backrest
- Heated seat switches, located on the instrument panel
- Thermostats (part of each cushion heater mat)
- Heated seat relay attached under each seat cushion frame
Manual Lumbar
The manual lumbar and handle is mounted to the side of the seat backrest frame. The manual lumbar actuator rotates, pulling a cable, to move the backrest lumbar in or out.
Side Air Bags
NOTE: If a side air bag deployment took place, a new seat back pad, trim cover and side air bag module and nuts must be installed. A new seat back frame should be installed if necessary.
The driver and passenger seat side air bags are attached to the seat backrest frame. If a seat side air bag deployment has occurred or for more information, refer to the appropriate procedure in Supplemental Restraint System Restraints and Safety Systems.
Safety Belt Buckle Pretensioners
The safety belt buckle pretensioners remove excess slack from the safety belt webbing when activated by the Restraints Control Module (RCM). For information or if a deployment has occurred, refer to the appropriate procedure in Supplemental Restraint System Restraints and Safety Systems.
Occupant Classification System (OCS)
NOTE: OCS system components [seat wiring harness, 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. If new OCS system components are needed, an OCS system service kit must be installed as an assembly.
The OCS system is standard equipment on all front outboard passenger seats. For information on diagnosing or servicing the OCS system, refer to the appropriate procedure in Supplemental Restraint System Restraints and Safety Systems.
Rear Seats
The rear seats are a 60/40 percent split-bench equipped with the following serviceable items:
- Outboard and center seat head restraints attached to the seat backrests
- Seat backrest and cushion covers
- Seat backrest and cushion foam pads
- Seat backrest and cushion frames
- Latch mechanisms attached to the seat backrest frames
- Center safety belt retractor mounted to the 60 percent seat backrest frame