Subaru Legacy 2002 Service Manual page 2349

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
ABS (Diagnostics)
No.
15 CHECK SOURCES OF SIGNAL NOISE.
16 CHECK SHIELD CIRCUIT.
1) Connect all connectors.
2) Measure resistance between shield con-
nector and chassis ground.
Connector & terminal
DTC 22 / (B62) No. A5 — Chassis
ground:
DTC 24 / (B62) No. A6 — Chassis
ground:
NOTE:
For the DTC 26 and 28:
Go to step 17.
17 CHECK ABSCM&H/U.
1) Connect all connectors.
2) Erase the memory.
3) Perform inspection mode.
4) Read out the DTC.
18 CHECK ANY OTHER DTC APPEARANCE.
Step
Are noise sources (such as
an antenna) installed near
the sensor harness?
Is the resistance less than
0.5 Ω?
Is the same DTC as in the
current diagnosis still being
output?
Are other DTC being out-
put?
ABS-48
Check Yes
Install the noise
sources apart
from the sensor
harness.
Go to step 17.
Replace
ABSCM&H/U.
<Ref. to ABS-6,
ABS Control Mod-
ule and Hydraulic
Control Unit
(ABSCM&H/U).>
Proceed with the
diagnosis corre-
sponding to the
DTC.
No
Go to step 16.
Repair shield har-
ness.
Go to step 18.
A temporary noise
interference.