Subaru 2009 IMPREZA Service Manual page 2032

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
F: DTC P0720 OUTPUT SPEED SENSOR CIRCUIT
DTC DETECTING CONDITION:
• The vehicle speed signal is abnormal.
• The harness connector between TCM and front vehicle speed sensor is shorted or open.
TROUBLE SYMPTOM:
Driving performance is poor.
WIRING DIAGRAM:
TCM
B55
*
*
B11
: TERMINAL No. OPTIONAL
*
T4
FRONT VEHICLE
SPEED SENSOR
4AT(diag)-47
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
JOINT GROUND
CONNECTOR
B53
ARRANGEMENT AMONG
1, 11 AND 12
B11
3 4
1 2
5 6 7 8
9 11 12
10
13 14 15
16
17 18 19 20
B53
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
B55
1 2 3 4 5 6
7 8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24 25 26 27
28 29 30 31 32 33 34 35
AT-04499