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STEERING SYSTEM
sUBMu
SVX
1992
Precaution for Supplemental Restraint System
"Airbag"
The Supplemental Restraint System "Airbag"
helps to reduce the risk or severity of injury to the
driver in a frontal collision.
The Supplemental Restraint System consists of
an airbag module (located in the center of the
steering wheel), sensors, a control unit, warning
light, wiring harness and spiral cable.
Information necessary to service the safety is
included in the
"5-5 .
SUPPLEMENTAL RE-
STRAINT SYSTEM" of this Service Manual .
WARNING:
" To avoid rendering the Airbag system inoper-
ative, which could lead to personal injury or
death in the event of a severe frontal collision,
all maintenance must be performed by an
authorized SUBARU dealer .
Improper maintenance, including incorrect re-
moval and installation of the Airbag system,
can lead to personal injury caused by uninten-
tional activation of the Airbag system .
All Airbag system electrical wiring harnesses
and connectors are covered with yellow outer
insulation . Do not use electrical test equipment
on any circuit related to the Supplemental
Restraint System "Airbag".
4 .3
Page
M MECHANISM AND FUNCTION .. ...... .. . . . ... . . . . . ...... . ..... . . . .... 2
1 . Steering Column . ..... . ..... . . . . . ...... .. ...... . . . ... . . . . . ...... . ..... . . . .. .. 2
2. Power Steering System (Engine Speed Sensing
Type) . . . . . . ..... . . . ...... . . ...... . ..... . . . . . .... . . .. ...... . . .... . . . . . ...... ...... . . . . . 5
3. Power Steering System
(Vehicle Speed Sensing, Electronically
Controlled, Hydraulic Reaction Type) .. . . . . . ..... . . . .... . . . .. 11®
4. Self-Diagnosis System .. . . . . . ...... . . ...... . . . . .... . . . ...... . . .... . . . . . 20
S SPECIFICATIONS AND SERVICE DATA . .. . . . ...... . . .... . . . . . 21
C COMPONENT PARTS . . . . ... . . . . . .. .... . . ...... .. . . .... . . . . ..... . . .... . . . . . 23
1 . Steering Wheel & Column . . . .... . . ...... .. . . .... . . . .. .... . . ...... . . . 23
2. Power Steering System .. . . . . . .... . . ........ . . .... . . . . . .... . . ...... . . . 24
3. Steering Gearbox . . . .... . . . .... . . . . . . .. . . . . ...... . . . .... . . . . ...... .. .. .. . . . 25
4. Power Steering Oil Pump £t Tank . ...... . ..... . . . .. .... .. .... . . . 26
W SERVICE PROCEDURE
" .
. .. ...... . ..... . . . ...... . . .... . . . 27
1 . Supplemental Restraint System "Airbag" . . . ..... . .. ... . . 27
2. Tilt £t Telescopic Steering Column with Memory
Function .. . . . . . ... . . . . .. ... . . .. .. . . . .. . .. . . . . .... . . . . . .. .... . .. ... . . . . ... .. . . ... . . 27
3. Steering Gearbox (Power Steering System) . . .... . . .... . 32
4 . Control Valve (Power Steering Gearbox) .. . . . . . .... . . .... . 49
5. Oil Cooler and Hose £r Pipe ASSY
(Power Steering System) . . . ... . . . ...... . . . . .... . . . ..... . . . .... . . ..... 57
6. Oil Pump £r Reservoir Tank .. .. . ...... . . . . .... . . . ..... . . . .... . . ..... 58
T TROUBLESHOOTING
e . .. .... . . . . .... . . . . .... . . . . . .. . . . . ... 67
1 . Supplemental Restraint System "Airbag" .. . . . .. .. . . ..... 67
2. Power Steering . . . . . ... .. . .... . . . . . .. ... . . . . .... . . . . ... . . . . . .. . . . . . . . ... . . . .. 67
3. Troubleshooting for Self-diagnosis System . . . . .... . . ... 79
4. Troubleshooting Chart with Trouble Code .. . . . . .... . . ... 84
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Troubleshooting
