Subaru Legacy 2003 Service Manual page 2323

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
C: DTC 27 ATF TEMPERATURE SENSOR
DIAGNOSIS:
Input signal circuit of TCM to ATF temperature sensor is open or shorted.
TROUBLE SYMPTOM:
Excessive shift shock.
WIRING DIAGRAM:
B11
1 2 3 4
1 2 3 4
5 6 7 8
10 11 12
9 10 11 12
19 20 21
13 14 15 16
17 18 19 20
B54
TCM
B11
T4
TRANSMISSION
B54
5 6 7 8 9
13 14 15 16 17 18
22 23 24
AT-48
AT-00776