Subaru Legacy 2005 Service Manual page 3247

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
9
CHECK STEERING ANGLE SENSOR.
1) Turn the ignition switch to OFF.
2) Connect all the connectors.
3) Perform the clear memory mode.
4) Perform the inspection mode.
5) Read the DTC.
10
CHECK OTHER DTC DETECTION.
11
CHECK OTHER DTC DETECTION.
AW:DTC C0071 STEERING ANGLE SENSOR POWER SUPPLY MALFUNCTION
DTC DETECTING CONDITION:
Defective steering angle sensor
TROUBLE SYMPTOM:
• ABS does not operate.
• VDC does not operate.
NOTE:
• Warning light does not illuminate though problem is detected.
• The ABS and VDC operate normally if voltage returns.
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS)
Check
Is the same DTC displayed?
Is any other DTC displayed?
Is any other DTC displayed?
VDC(diag)-103
Yes
Replace the
Go to step 10.
VDCCM&H/U.
<Ref. to VDC-7,
VDC Control Mod-
ule and Hydraulic
Control Unit
(VDCCM&H/U).>
Perform the diag-
Temporary poor
nosis according to
contact occurs.
DTC.
Perform the diag-
Original steering
nosis according to
angle sensor mal-
DTC.
function
No

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