Subaru IMPREZA 2002 Service Manual page 130

DIAGNOSTIC PROCEDURE FOR AT OIL TEMP WARNING LIGHT
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
I
Step
9 CHECK HARNESS CONNECTOR BETWEEN
TRANSMISSION AND TRANSMISSION
GROUND.
Measure the resistance of harness between
transmission and transmission ground.
Connector & terminal
(T4) No. 16
-
Transmission ground:
10
CHECK POOR CONTACT IN CONNECTORS.
Check
Is the resistance less than 1
n?
Is there poor contact in control
module power supply, ground
line and data link connector?
Yes
30 to step 10.
Repair the con-
lector.
No
Repair open circuit
in harness
between transmis-
sion and transmis-
sion ground.
Replace the TCM.
<Ref. to AT-45,
Transmission Con-
trol Module
(TCM) .>
AT-38