Subaru Legacy 2003 Service Manual page 2407

DIAGNOSTIC PROCEDURE FOR NO-DIAGNOSTIC TROUBLE CODE (DTC)
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
H: CHECK INHIBITOR SWITCH.
DIAGNOSIS:
Input signal circuit of inhibitor switch is open or shorted.
TROUBLE SYMPTOM:
• Shift characteristics are erroneous.
• Engine brake is not effected when selector lever is in "3" range.
• Engine brake is not effected when selector lever is in "2" range.
• Engine brake is not effected when selector lever is in "1" range.
WIRING DIAGRAM:
INHIBITOR SWITCH
P R N D 3 2 1
10
11
: EXCEPT 3.0L MODEL AND
H4
TURBO MODEL
H6 H6 : 3.0L MODEL AND TURBO MODEL
T7 B12
1 2 3 4 5 6 1 2 3 4
7 8 9 10 11 12 5 6 7 8
9 10 11 12
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
NO. 5 15A
9 3
8 2
1
3 8
7
4 6
6 5
5 4
T7 T3 B12
i12
1 2 3 4 5 6 1 2 3 4
7 8 9 10 11 12 13 14 8 9 10 11 12 13 14 15 16
IGNITION
RELAY
ILLUMINATION CONTROL CIRCUIT
P R
i11
5 6 7
1 2 3 4 5 6 7
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
AT-132
H6
N D 3 2
B55 TCM
i10
A1 A2
8 9 10 11 12 13 14
B1 B2
C2
D1 D2
E1 E2
F1
G1
H1
I1
J1
K1
L1 L2
M1 M2
N2
O1 O2
P1 P2
COMBINATION
METER
A:
i10
B: i11
1 C:
i12
i1
B36
B36
A4 A5 A6
A3
B4 B5 B6
B3
C4 C5 C6
D4 D5 D6
C3
E4 E5 E6
F6
G6
H6
I6
J6
K6
L4 L5 L6
N3
M4 M5 M6
N4 N5 N6
O3
O4 O5 O6
P3
P4 P5 P6
AT-00788