Subaru 1997-1998 Impreza Service Manual page 389

Q§§)
7 6 5
61 6A 66
� � 31 � � � � �
" 20 " " 25
51 �
T 7 79
22 23
47 � �
B RAKES
8. Diagnostics Chart with Trouble Code by ASS Warning light
8W 2 9
Measure voltage between hyd raulic unit connector a n d
chassis g round.
Connector
(ABS5) No. 4 ( + ) - Chassis ground (
:
:
(YEs)
@)
:
84M088OC
SW30
1 ) T u rn ignit ion switch to ON .
2) Measure voltage between hyd raulic u nit connector a n d
chassis g round.
Connector
(ABS5) No. 4
:
B4M088OC
@)
:
6 7 68
1 ) Turn ignition switch to OFF.
�
2) Disconnect connector from hyd raulic u nit.
"
3) Measure voltage between ABSCM connector and chas­
sis grou nd.
27 28 Connector
� � �
(F49) No. 30
(F49) No. 24
(F49) No. 23
84M0881A
(F49) No. 31
(F49) No. 3
(F49) No. 51
(F49) No. 50 ( + ) - Chassis ground (
(F49) No. 4
:
Go to step
@)
:
Repair harness between
ABSCM and check all fuses.
99
CHECK BATTERY SHORT OF SOLENOID
VALVE.
&
terminal
Is the voltage less than 1 V?
SW30.
Go to step
Replace hydraulic u n it and check all f u ses.
CHECK BATTERY SHORT OF SOLENOID
VALVE.
&
terminal
( +
) - Chassis ground (
Is the voltage less than 1 V?
8W31.
Go to step
Replace hyd raulic u n i t a n d check a l l fuses.
&
terminal
( +
) - Chassis ground (
( +
) - Chassis ground (
) - Chassis ground (
( +
( + )
- Chassis ground (
( +
) - Chassis ground (
( + )
- Chassis ground (
( +
) - Chassis ground (
Is the voltage less than 1 V?
SW3 2 .
4-4
[T8W31]
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hydra u lic unit and