Subaru Legacy 2004 Service Manual page 3017

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ABS (DIAGNOSTICS)
Step
11 CHECK SOURCES OF SIGNAL NOISE.
Check if the noise sources are (such as an
antenna) installed near the sensor harness.
12 CHECK ABSCM&H/U.
1) Connect all the connectors.
2) Erase the memory.
3) Perform the inspection mode. <Ref. to
ABS(diag)-17, CLEAR MEMORY MODE,
OPERATION, Subaru Select Monitor.>
4) Read the DTC.
13 CHECK ANY OTHER DTC ON DISPLAY.
Check
Are noise sources installed?
Is the same DTC displayed?
Is any other DTC displayed?
ABS(diag)-50
Yes
Go to step 12. Install the noise
sources apart from
the sensor har-
ness.
Replace the Go to step 13.
ABSCM only.
<Ref. to ABS-8,
REPLACEMENT,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Perform the diag- It results from a
nosis according to temporary noise
DTC. interference.
NOTE:
Though ABS warn-
ing light remains to
illuminate at this
time, it is normal.
Drive the vehicle at
more than 12 km/h
(7 MPH) in order to
make ABS warning
light go off. Be sure
to drive the vehicle
and check
warning light goes
off.
No
the