Toyota Celica 1993 AT200 series Repair Manual page 850

B E - 1 1 7
BODY ELECTRICAL SYSTEM - CRUISE CONTROL SYSTEM
IDL SIGNAL CIRCUIT
HINT: While carrying out the following inspection, make certain that the connectors and terminals are
properly con n ected.
THROTTLE POSITION SENSOR
A d j u s t p o s i t i o n s e n s o r p o s i t i o n . T h e n r e c h e c k
system,
INSPECT THBOTTLE POSITION SENSOR
ADJUSTMENT
l s t h r o t t l e p o s i t i o n s e n s o r a d j u s t m e n t n o r m a l ?
R e p l a c e t h r o t t l e p o s i t i o n . T h e n r e c h e c k s y s t e m
INSPECT THROTTLE POSITION SENSOR
l s t h r o t t l e p o s i t i o n s e n s o r o p e r a t i o n n o r m a l ?
Connect connector to throttle position sensor'
Disconnect connector from CC ECU and inspect
cgnnector on wire harness side as follows.
O o e n c i r c u i t i n w i r e h a r n e s s b e t w e e n t e r m i n a l s 2 1 o f
C C E C U a n d 2 o f t h r o t t l e p o s i t i o n s e n s o r '
INSPECT IDL SIGNAL CIRCUIT
l s t h e r e c o n t i n u i t y b e t w e e n t e r m i n a l 2 1 a n d g r o u n d
w h e n a c c e l e r a t i o n p € d a l l s r e l e a s e d ?
S h o r t c i r c u i t i n w i r e h a r n e s s b e t w e e n t e r m i n a l s 2 1 o f
C C E C U a n d 2 o f t h r o t t l e p o s i t i o n s e n s o r .
l s t h e r e c o n t i n u i t y b e t w e o n t e r m i n a l 2 l a n d g r o u n d
w h e n a c c e l e r a t i o n D e d a l i s d e p r e s s e d ?
R e p l a c e C C E C U . T h e n r e c h e c k s y s t e m
C r u i s e C o n t r o l