1997 SUBARU LEGACY Service Repair Manual

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SUBARU LEGACY 1997  Service Repair Manual B4M1226AB4M0230DB4M0786C
B4M0646DB4M0231DB4M0645D
5
4-4dBRAKES [ABS 5.3i TYPE]
3. Electrical Components Location

Page 2882 of 3342

SUBARU LEGACY 1997  Service Repair Manual 4. Schematic
B4M1227A
1ABS control module and hydraulic control unit
(ABSCM&H/U)

2ABS control module area

3Valve relay

4Motor relay

5Motor

6Front left inlet solenoid valve

7Front left out

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SUBARU LEGACY 1997  Service Repair Manual 5. Control Module I/O Signal
1. I/O SIGNAL VOLTAGE
B4M1228A
NOTE:
The terminal numbers in the ABS control module and
hydraulic control unit connector are as shown in the figure.
When the connector i

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SUBARU LEGACY 1997  Service Repair Manual ContentsTerminal No.
(+)—(�)Input/Output signal
Measured value and measuring conditions
ABS
sensor*2
(Wheel
speed
sensor)Front left wheel 9—10
0.12 — 1 V
(When it is 20 Hz.) Front right wheel 11

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SUBARU LEGACY 1997  Service Repair Manual 2. I/O SIGNAL DIAGRAM
B4M1229A
9
4-4dBRAKES [ABS 5.3i TYPE]
5. Control Module I/O Signal

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SUBARU LEGACY 1997  Service Repair Manual 6. Diagnostics Chart for On-board
Diagnosis System
A: BASIC DIAGNOSTICS PROCEDURE
B4M1051A
CAUTION:
Remove foreign matter (dust, water, etc.) from the
ABSCM&H/U connector during removal and installa-

Page 2887 of 3342

SUBARU LEGACY 1997  Service Repair Manual When ABS warning light illuminates, read and record
trouble code indicated by ABS warning light.
B: CHECK LIST FOR INTERVIEW
Check the following items about the vehicle’s state.
1. THE STATE OF THE

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SUBARU LEGACY 1997  Service Repair Manual Behavior of vehicle a) Directional stability cannot be obtained or steering arm refuses to work when applying brakes :
Ye s /No
When :Vehicle turns to right
Vehicle turns to left
Spins
Others :