Subaru 2002 IMPREZA Service Manual page 1626

DIAGNOSTIC PROCEDURE FOR SELECT MONITOR COMMUNICATION
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step
9 CHECK HARNESS/CONNECTOR BETWEEN
TCM AND DATA LINK CONNECTOR.
Measure the resistance between TCM and
data link connector.
Connector & terminal
(B56) No. 24 — (B40) No. 6:
10 CHECK INSTALLATION OF TCM CONNEC-
TOR.
Turn the ignition switch to OFF.
11 CHECK POOR CONTACT IN CONNECTORS. Is there poor contact in control
Check
Is the resistance more than 1M
Ω?
Is the TCM connector inserted
into TCM?
module and data link connec-
tor?
AT-40
Yes
Go to step 10. Repair the har-
ness and connec-
tor between TCM
and data link con-
nector.
Go to step 11. Insert the TCM
connector into
TCM.
Repair the poor Replace the TCM.
contact. <Ref. to AT-46,
Transmission Con-
trol Module
(TCM).>
No