Toyota Celica 1993 AT200 series Repair Manual page 859

B E - 1 2 6
BODY ELECTRICAL SYSTEM _ AUDIO SYSTEM
T R O U B L E S H O O T I N G
NOTICE: When replacing the internal mechanism (computer part) of the audio systom, bo careful that
no part of your body or clothing comes in contact with ths torminals of the lgads from the lC, etc. of
the replacoment part (sparo part).
H I N T : T h i s i n s p e c t i o n p r o c e d u r e i s a s i m p l e t r o u b l e s h o o t i n g w h i c h s h o u l d b e c a r r i e d o u t o n t h e
v e h i c l e d u r i n g s y s t s m o p e r a t i o n a n d w a s p r e p a r e d o n t h e a s s u m p t i o n o f s y s t e m c o m p o n s n t
t r o u b l g s ( e x c e p t f o r t h e w i r e s a n d c o n n e c t o r s , e t c . ) .
A l w a y s i n s p e c t t h 6 t r o u b l e t a k i n g t h 6 f o l l o w i n g i t e m s i n t o c o n s i d e r a t i o n .
.
O D a n o r s h o r t c i r c u i t o f t h e w i r e h a r n e s s
o
C o n n € c t o r o r t e r m i n a l c o n n e c t i o n f a u l t
ffitr€;
Problem N o .
R a d i o
No powor coming in.
Powor coming in, but radio not oporating.
Noise present, but AM - FM not oporating.
Either 3oeakor doos not work.
4
Eithor AM or FM does noi work.
5
Rocoption poor (Volum6 taint),
Fow prs86t tuning b6nds.
Sound quality poor.
6
Cannot sot station s6loct button. 7
Pra66t memory disappears. 7
Tops Play6r
Cas6atta topa cannot be inserted.
8
Casa€tta top6 insert!, but no powor. o
Power coming in, but tape pl6y6r not oporaiing.
1 0
Eithar speoker doa! not work.
1 l
Sound quolity poor (Volumr taint),
Tapg jrmmod, mallunction with tap6 spood or auto-rsv€rse.
l 3
APS, SKIP, RPT buttons not opereting. 1 1
CEs6ott6 taoa will not siect.
t 5
Antann6
Ant6nna - relatad.
1 6
Noiso Noise producod by vibrrtion or shock whilo driving.
'l',
Nois6 produc6d wh6n angina starts.
1 8