Ford 2003 Explorer v.5 Manuel d'utilisateur télécharger pdf (Page 105)

information to the Restraints Control Module (RCM). During a crash, the

RCM activates the safety belt pretensioners and/or either one or both

stages of the dual-stage air bag supplemental restraints based on crash

severity and occupant conditions.

The fact that the pretensioners or air bags did not activate for both front

seat occupants in a collision does not mean that something is wrong with

the system. Rather, it means the Personal Safety System determined the

accident conditions (crash severity, belt usage, etc.) were not

appropriate to activate these safety devices. Front air bags are designed

to activate only in frontal and near-frontal collisions, not rollovers,

side-impacts, or rear-impacts unless the collision causes sufficient

longitudinal deceleration.

Driver and passenger dual-stage air bag supplemental restraints

The dual-stage air bags offer the capability to tailor the level of air bag

inflation energy. A lower, less forceful energy level is provided for more

common, moderate-severity impacts. A higher energy level is used for

the most severe impacts. Refer to Air bag Supplemental Restraints

section in this chapter.

Front crash severity sensor

The front crash severity sensor enhances the ability to detect the

severity of an impact. Positioned up front, it provides valuable

information early in the crash event on the severity of the impact. This

allows your Personal Safety System to distinguish between different

levels of crash severity and modify the deployment strategy of the

dual-stage air bags and safety belt pretensioners.

Driver’s seat position sensor

The driver’s seat position sensor allows your Personal Safety System to

tailor the deployment level of the driver dual-stage air bag based on seat

position. The system is designed to help protect smaller drivers sitting

close to the driver air bag by providing a lower air bag output level.

Front safety belt usage sensors

The front safety belt usage sensors detect whether or not the driver and

front outboard passenger safety belts are fastened. This information

allows your Personal Safety System to tailor the air bag deployment and

safety belt pretensioner activation depending upon safety belt usage.

Refer to Safety Belt section in this chapter.

Front safety belt pretensioners

The safety belt pretensioners are designed to tighten the safety belts

firmly against the occupant’s body during a collision. This maximizes the

2003 Explorer (exp)

Owners Guide (post-2002-fmt)

USA English (fus)

Seating and Safety Restraints

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Ford 2003 Explorer v.5 Manuel d'utilisateur Page 105

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