INTRODUCTION
ARROWS AND SYMBOLS
This service manual uses various symbols in order to describe different
service operations.
Fig. 1: Identifying Different Service Operations Symbols
ACRONYMS AND U
IMMOBILIZER DESCRIPTION AND OPERATION
Fig. 5: Immobilizer Diagram Without BTM
The immobilizer system functions are provided by the body control module (BCM)
and the engine control
module (ECM), as well as any control modules which store and report the
environment identifier.
When an ignition ke
SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM DESCRIPTION AND OPERATION
SIR System Overview
The supplemental inflatable restraint (SIR) system supplements the protection
offered by the seat belts. The SIR
system contains an inflatable restraint sensing and diagnostic module (SDM), air
bags, seat belt p