System Outline
SYSTEM OUTLINEThe SRS is a driver and front passenger protection device which has a supplemental role to the seat belts.
When the ignition SW is turned to ACC or ON, the current from the SRS-ACC fuse flows to TERMINAL (B) 6 of the center airbag sensor assembly. Only when the ignition SW is on does the current flow from the IGN fuse to TERMINAL (B) 5 of the center airbag sensor assembly.
If an accident occurs while driving, when the frontal impact exceeds a set level, the current from the SRS-ACC or IGN fuse flows to TERMINALS (B) 14, (B) 10, (A) 2 and (C) 5 of the center airbag sensor assembly to TERMINAL 1 of the airbag squibs, TERMINAL 2 of the pretensioners to TERMINAL 2 of the airbag squibs, TERMINAL 1 of the pretensioners to TERMINALS (B) 13, (B) 11 (A) 1 and (C) 6 of the center airbag sensor assembly to TERMINAL (B) 27, (B) 28 or BODY GROUND to GROUND, so that current flows to the airbag squibs and the pretensioners and causes them to operate.
When the side impact also exceeds a set level, the current from the SRS-ACC or IGN fuse flows to TERMINALS (A) 6, (C) 1, (A) 3, (C) 4, (A) 2 and (C) 5 of the center airbag sensor assembly to TERMINAL 1 of the side airbag squibs, the curtain shield airbag squibs and the pretensioners to TERMINAL 2 to TERMINALS (A) 5, (C) 2, (A) 4, (C) 3, (A) 1 and (C) 6 of the center airbag sensor assembly to TERMINAL (B) 27, (B) 28 or BODY GROUND to GROUND, causing the side airbag squibs, the curtain shield airbag squibs and the pretensioners to operate.
The airbag stored inside the steering wheel pad is instantaneously expanded to soften the shock to the driver.
The airbag stored inside the front passenger's instrument panel is instantaneously expanded to soften the shock to the front passenger.
Side airbags are instantaneously expanded to soften the shock of side to the driver and front passenger.
The curtain shield airbag can ease an impact on the head of the front and rear passengers and reduce risks of injury. The pretensioners make sure of the seat belt restrainability.