Subaru Legacy 2002 Service Manual page 2548

DIAGNOSTICS CHART WITH DIAGNOSIS CONNECTOR
No.
1 CHECK RESISTANCE OF HARNESS.
1) Turn ignition switch to OFF.
2) Disconnect two connectors from TCM.
3) Measure resistance between TCM connec-
tor terminals.
Connector & terminal
(B56) No. 9 — No. 18:
2 CHECK POOR CONTACT IN CONNEC-
TORS.
3 CHECK TCM.
1) Turn ignition switch to OFF.
2) Connect all connectors.
3) Erase the memory.
4) Perform inspection mode.
5) Read out the diagnostic trouble code.
4 CHECK ANY OTHER DIAGNOSTIC
TROUBLE CODES APPEARANCE.
Step
Is the resistance 60±3 Ω?
Is there poor contact in
TCM connectors?
Is the same diagnostic
trouble code as in the cur-
rent diagnosis still being
output?
Are other diagnostic trouble
codes being output?
VDC-89
Check Yes
Go to step 2.
Repair connector.
Replace TCM.
<Ref. to AT-49,
Transmission
Control Module
(TCM).>
Proceed with the
diagnosis corre-
sponding to the
diagnostic trouble
code.
VDC (Diagnostics)
No
Repair harness
between TCM and
VDCCM.
Go to step 3.
Go to step 4.
A temporary poor
contact.