Toyota Celica 1993 AT200 series Repair Manual page 309

AX-30
AUTOMATIC TRANSAXLE - TROUBLESHOOTING
Engine and ECT ECU
E L E C T R O N I C
C O N T R O L C O M P O N E N T S
INSPECTION
1 . I N S P E C T V O L T A G E O F E N G I N E A N D E C T E C U
C O N N E C T O R
(a) Turn the ignition switch ON.
(b) Do not disconn€ct Engine and ECT ECU connector.
Measure the voltage at sach terminal,
',;i*
I
Engine and ECT ECU Tarminals
51 SL TT THW VC
SpD OD2
B/K BATT
t t
t r
I
1
TE,1 VTA E2 NSW OD1
2
Tcrminsl Mearuring condition
Voltage (V)
s 1 - E r
l g n i t i o n s w i t c h t u r n e d O N 1 0
1 4
> 2 , 5 L - E l
l g n i t i o n s w i t c h t u r n e d O N
1 o r l e s s
B / K - E 1
Braks oedal is deoressed 1 0
1 4
Brake pedal is released
1 o r l e s s
THW - E2
W a t e r l e m o . 1 7 6 " F { 8 0 " C )
0 . 1 - 0 . 8
IDL - E2
T h r o t t l e v a l v e f u l l y c l o s e d
1 or less
Throttle valve open
4 . 5 - 5 . 5
VTA - E2
T h r o t t l e v a l v e f u l l y c l o s e d
0 . 1 - 0 . 8
Th rottle valve open
4 . 5 - 5 , 5
4 . 5 - 5 . 5
o D l - E 1
1 0 - 1 4
O / D m a i n s w i t c h t u r n e d O N
1 0 - 1 4
O / D m a i n s w i t c h t u r n e d O F F
1 o r l e s s
S P D _ E l
C r u i s e c o n t r o l
m a i n s w i t c h O F F
S t a n d i n g s t i l l 1 or less
V e h i c l e m o v i n g R e p e a t : 0 * 4 . 5 - 5 . 5
N S W - E l
P, N range
l 0 1 4
R , D . 2 , L r a n g e
I o r l € s s
2 - E 1
2 .ange
1 0
1 4
Except 2 range
1 o r l e s s
L - E1
L r a n g e
1 0 - 1 4
Except L r8ng6
1 o r l e s s
+B - E']
l g n i t i o n s w i t c h t u r n s d O N
1 0 - ' t 4
BATT _ E1
A l l c o n d i t i o n s
1 0 - 1 4