Subaru Legacy 2004 Service Manual page 2546

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
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.
5) Drain the ATF.
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. 16 — (T6) No. 10:
(T4) No. 10 — (T5) No. 9:
7 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.
5) Drain the ATF.
6) Remove the oil pan, and disconnect the
control valve body connector.
7) Measure the resistance between chassis
ground and control valve body connector.
Connector & terminal
(T6) No. 10 — Chassis ground:
(T5) No. 9 — Chassis ground:
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Check
Is the resistance less than 1
"?
Is the resistance more than 1
M"?
5AT(diag)-87
Yes
Replace the trans- Repair the open
mission assembly. circuit in harness
<Ref. to 5AT-38, between control
Automatic Trans- valve body con-
mission Assem- nector and trans-
bly.> mission connector.
Replace the con- Repair the short
trol valve body. circuit in harness
<Ref. to 5AT-58, between control
Control Valve valve body con-
Body.> nector and trans-
mission connector.
No