Subaru LEGACY 2006 Manual page 3464

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step
9 CHECK HARNESS CONNECTOR BETWEEN
TRANSFER DUTY SOLENOID AND TRANS-
MISSION.
Measure the resistance of harness between
transmission connector and transmission
ground.
Connector & terminal
(T4) No. 8 — Transmission ground:
Check
Is the resistance more than 1
MΩ?
4AT(diag)-78
Yes No
Even if the SPORT Repair short circuit
indicator light is of the harness
blinking, the cir- between the trans-
cuit is in normal fer duty solenoid
condition at this and transmission
time. A temporary connector.
poor contact of
connector or har-
ness may be the
cause. Repair the
harness or poor
contact in the
transfer duty sole-
noid and transmis-
sion.