Subaru Legacy 2004 Service Manual page 2289

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
V: DTC P1706 AT VEHICLE SPEED SENSOR CIRCUIT MALFUNCTION (REAR
WHEEL)
DTC DETECTING CONDITION:
Input signal circuit of TCM is open or shorted.
TROUBLE SYMPTOM:
No lock-up or occurring tight corner braking phenomenon
WIRING DIAGRAM:
AT1
1 2 3
BATTERY
IGNITION
SWITCH
B11
3 4
1 2
1 2
6 7 8
5
8 9
9 11 12
10 17 18
13 14 15
16
17 18 20
19
4AT(diag)-86
E
B54 TCM
B11
T4
AT1
REAR VEHICLE
SPEED SENSOR
B54
3 4 5 6
7
10 11 12 13 14 15 16
19 20 21 22 23 24
AT-01492