Subaru LEGACY 2006 Manual page 3565

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Step
5 CHECK HARNESS CONNECTOR BETWEEN
TRANSMISSION AND CONTROL VALVE
BODY.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from transmis-
sion.
3) Remove the transmission connector from
bracket.
4) Lift up the vehicle and place it on rigid
racks.
NOTE:
Raise all wheels off floor.
5) Drain the ATF.
CAUTION:
Do not drain ATF until it cools down.
6) Remove the oil pan, and disconnect the
control valve body connector.
7) Measure the resistance between transmis-
sion connector and control valve body connec-
tor.
Connector & terminal
(T4) No. 15 — (T16) No. 12:
(T4) No. 4 — (T15) No. 12:
6 CHECK HARNESS CONNECTOR BETWEEN
TRANSMISSION AND CONTROL VALVE
BODY.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from transmis-
sion.
3) Remove the transmission connector from
bracket.
4) Lift up the vehicle and place it on rigid
racks.
NOTE:
Raise all wheels off floor.
5) Drain the ATF.
CAUTION:
Do not drain ATF until it cools down.
6) Remove the oil pan, and disconnect the
control valve body connector.
7) Check the insulation of transmission har-
ness assembly.
Connector & terminal
(T4) No. 4 — (T15) No. 13:
Check
Is the resistance less than 1
Ω?
Is the resistance more than 1
MΩ?
5AT(diag)-72
Yes No
Replace the con- Replace the trans-
trol valve body. mission harness
<Ref. to 5AT-53, assembly.
Control Valve
Body.>
Replace the con- Replace the trans-
trol valve body. mission harness
<Ref. to 5AT-53, assembly.
Control Valve
Body.>