Subaru Legacy 2004 Service Manual page 2488

Diagnostic Procedure for Select Monitor Communication
Step
17 CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from TCM and
transmission.
3) Measure the resistance of harness
between TCM and transmission connector.
Connector & terminal
(B54) No. 19 — Chassis ground:
(B55) No. 21 — Chassis ground:
(B54) No. 5 — Chassis ground:
(B54) No. 14 — Chassis ground:
18 CHECK POOR CONTACT IN CONNECTORS. Is there poor contact in TCM
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Check
Is the resistance more than 1
M"?
power supply, ground and data
link connector?
5AT(diag)-29
Yes
Go to step 18. Repair the short
circuit in harness
between TCM and
transmission har-
ness connector,
and poor contact
in coupling con-
nector.
Repair the con- Replace the TCM.
nector. <Ref. to 5AT-61,
Transmission Con-
trol Module
(TCM).>
No