Subaru Legacy (2005 year). Manual - part 563
4AT(diag)-89
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
X: DTC P1708 THROTTLE POSITION SENSOR CIRCUIT LOW INPUT
DTC DETECTING CONDITION:
The input signal circuit of accelerator pedal position sensor is open or shorted.
TROUBLE SYMPTOM:
• Shift point is too high or too low.
• Excessive shift shock
• Tight corner braking phenomenon is occurred.
WIRING DIAGRAM:
• 2.0 L LHD and 2.5 L KS model
AT-01894
2 3 4
1
5 6
B54
B21
1 2
7
8 9
5
6
3
4
10 11 12
19 20 21
13 14 15 16
17 18
22 23 24
B315
B83
B21
B134
B83
B54
TCM
A:
B135
B:
B136
C:
ECM
B137
D:
E2
52
37
35
34
1
2
6
19
D30
C17
C18
B5
B6
C6
C1
A2
C2
A7
D1
E
E
1
2
JOINT CONNECTOR
ACCELERATOR PEDAL POSITION SENSOR
B315
C5
36
B137
5
6
7
8
2
1
9
4
3
10
22 23
11 12 13 14 15
24 25
26
16 17
18 19 20 21
27
28 29
30 31
B134
5
6
7
8
2
1
9
4
3
10
24
22 23
25
11 12 13 14 15
26 27
28
16 17
18 19 20 21
33 34
29
32
30 31
B136
5
6
7 8
2
1
9
4
3
10
24
22 23
25
11 12 13 14 15
26 27
28
16
17 18 19 20 21
33 34
29
32
30
31
35
B135
5
6
7
8
2
1
9
4
3
10
24
22 23
25
11 12 13 14 15
26 27
28
16 17 18 19
20 21
29 30 31
32 33
34 35
1 2 3 4
5 6 7 8
1 2 3 4
12 13 14 15
5 6 7 8
16 17 18 19
9 10 11
20 21 22
23 24 25 26 27 28 29 30 31 32 33
35
34
37
36
39
38
41
40
43
42
44
45
47
46
49
48
51
50
53
52
54
A:
B:
C:
D:
D18
10