l r o n t p a s s e n g e r ) i n a f r o n t a | l m p a c t e x c e e d i n g a c e r t a i n s e t | i m i t ' T h e s y s t e m c o n s i s t s o f t h e s R S u n i t ( i n c | u d i n g s a f i n

sensor and impact sensor), the cable reel, the driver's airbag

(and lront passenger's airbag)'

ORIVER'S AIBBAG

CABLE REEL

Operation

T h e m a i n c i r c u i t i n t h e S R s u n i t s e n s e s a n d j u d g e s t h e f o r c e o f i m p a c t a n d , i f n e c e s s a r y , i g n i t e s t h e i n ' | a t o r c h a r g e ( s

b a t t e r y v o | t a g e i s t o o l o w o r p o w e r i s d i s c o n n e c t e d d u e t o t h e i m p a c t , t h e v o l t a g e r e g u | a t o r a n d t h e b a c k . u p p o w e r c i

respectively will keep voltage at a constant level'

Fol the SRS to operate:

{1) The impact sensor must activate, and send electric signals

to the microprocessor'

(2) The microprocessor mu$ compute the signals, and must send signals to the airbag inflator(s)'

{3) The inflator(s) must ignite and deploy the airbag(s)'

f f * :

*;_--l

i * w -

gsIF'-'"

Self-diagnosis Sysiem

A self-diagnosis circuit is built into the sRs uniu when the ignition

switch is turned oN (ll)' the sRS indicator light comes

on and goles off after about six seconds if the system is operating

normally

lf the light does not "o." on, o. do""-iot go ofi "ft", "i" ""condi, or

if it comes on while driving, it indicates an abnormal-

itv in tn'" "y"t".. fne system must be inspected and repaired as soon

as possible'

F o r b e t t e r s e r v i c e a b i | i t y , t h e m e m o r y w i l I s t o r e t h e c a u s e o f t h e m a | f u n c t i o n . a n d t h e d a t a I i n k c i r c u i t p a s s e s o n t h e

m a t i o n f r o m t h e m e m o r y t o t h e d a t a | i n k c o n n e c t o r ( D L c ) ' T h i s i n f o r m a t i o n c a n b e r e a d w i t h t h e H o n d a P G M T e s t e r

nected to the DLC (16P).

24-5

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