Subaru 1997-1998 Impreza Service Manual page 348

4-4 [T8J 9]
8.
Diagnostics Chart with Trouble Code by ASS Warning Light
� v • • • n �
� � � � 51 �
81
" " " . . " " " , o �
"
n � � n
�
'§.f
Standard output voltage: O.
�Ml026
. ro "
,
n
� � .7
79 78 76
n 11 W �
m
1
t 2 -
(When it is
V
Hz.)B4MOB16A
20
BRA KES
7) Remove connector cover.
NOTE:
•
To in stall, reverse above removal procedu res
•
Align connector cover rib with connector hole before
installation.
8) Connect connector to ASS control mod ule.
9) Connect the oscilloscope to the ASS control module
connector in accordance with trouble code.
1 0) T u rn ignition switch ON.
1 1 ) Rotate wheels and measure voltage at specified fre­
q uency.
NOTE:
&
When this inspection is completed, the ASS control mod­
ule sometimes stores the trouble code 29.
Connector terminal
-
(F49) No. 14
( + )
-
(F49) No. 49
( + )
-
(F49) No. 18 ( + )
(F49) No. 16 - No. 1 7 (
( + )
Specified voltage: 0.12 - 1 V (When it is 20 Hz.)
��cV
:
Is oscilloscope pattern smooth, as shown in
figure?
(v�)
C§)
8J13.
Go to step
8J1 0 .
: Go to step
56
-
-
No. 15 ( ) (Front RH):
-
No. 19 ( ) (Front LH):
-
No. 46 ( ) (Rear RH):
) (Rear LH):
.