Subaru LEGACY 2006 Manual page 3566

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
W: DTC P0763 SHIFT SOLENOID "C" ELECTRICAL
DTC DETECTING CONDITION:
Output signal circuit of high & low reverse clutch solenoid is open or shorted.
TROUBLE SYMPTOM:
Locked to 4th gear.
WIRING DIAGRAM:
Step
1 CHECK HARNESS CONNECTOR BETWEEN
TCM AND TRANSMISSION.
1) Turn the ignition switch to OFF.
2) Disconnect the connectors from TCM and
transmission.
3) Measure the resistance of harness
between TCM and transmission connector.
Connector & terminal
(B54) No. 17 — (B11) No. 15:
(B54) No. 5 — Chassis ground:
(B54) No. 14 — Chassis ground:
TCM
A: B54
B: B55
E
B11
T4
T16
TRANSMISSION
Check
Is the resistance less than 1
Ω?
5AT(diag)-73
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
A:
B54
1 2 3 4 5 6
10 11 12 13 14 15 16 17 18
19 20 21
B: B55
1 2 3 4 5 6
10 11 12 13 14 15
19 20 21
B11
1 2
5 6 7
9 10
13 14 15
17 18
T16
1 2
5 6 7 8 9 10 11
Yes
Go to step 2.
7 8 9
22 23 24
7 8 9
16 17 18
22 23 24
3 4
8
11 12
16
19 20
3 4
12
AT-03453
No
Repair the open
circuit of harness
between TCM con-
nector and trans-
mission connector.