Toyota Celica 1993 AT200 series Repair Manual page 873

B E - 1 4 0
BODY ELECTRICAL SYSTEM - AUDIO SYSTEM
1 7 i N o i s e
NOISE PRODUCED
WHILE DRIVING
BY VIBRATION OR SHOCK
W i t h v e h i c l e s t o p p e d , l i g h t y t a p e a c h s y s t e m . l s
n o i s € p r o d u c e d ?
1 8 N o i s e
NOISE PRODUCED WHEN ENGINE STARTS
W h i s t l i n g n o i s e w h i c h b e c o m e s h i g h ' p i t c h e d
w h e n a c c e l e r a t o r s t r o n g l y d e p r e s s e d , d i s a p p e a r s
s h o r t l y a f t a r 6 n g i n s s t o p s .
C l i c k i n g s o u n d h e s r d w h e n h o r n b u t t o n i s
p r € s s a d , t h e n r s l e E s e d . W h i r r i n g / g r a t i n g s o u n d
w h e n o u s h o d c o n t i n u o u s l v ,
N o
N o
N O
N o
l s s p e a k e r p r o p e r l y i n s t a l e d T
I n s t a l l p r o p e r l y ,
l s e a c h s v s t e m c o r r e c t l v i n s t a l l e d ?
Yes
Each syst€m faulty,
N o i s e p r o d u c e d b y s t a t i c e l e c t r i c i t y a c c u m u l a t i n g i n t h e v € h i c l e b o d y .
W h i n i n g n o i s s o c c u r s w h e n A / C i s o p e r a t i n g .
A / C n o l s e .
S c r s t c h i n g n o i s e o c c u r s d u r i n g s u d d e n
€ c c e l B r a t i o n , d r i v i n g o n r o u g h r o a d s o r w h e n
i g n i t i o n s w i t c h i s t u r n e d o n .
F u B l g a u g e n o i s e .
H o r n n o i s e .
M u r m u r i n g s o u n d , s t o p s w h e n e n g i n e s t o p s ,
l g n i t i o n n o i s e .
Tick-tock noise, occurs in co-ordination with
blin king of flasher.
T u r n s i g n a l n o i s e ,
o c c u r s d u r ; 4 9 w i n d o w w a s l ' e r o p e r a t i o n .
S c r a t c h i n g n o i s € o c c u r s w h i l e e n g i n e i s r u n n i n g ,
c o n t i n u e s a w h i l e e v 6 n a f t e r e n g i n e s t o p s ,
E n g i n e c o o l a n t t e m p .
g € u g e n o i s e ,
S c r a p i n g r o i s e i n t i m e w i t h w p e . b e a r .