Subaru Legacy (2005 year). Service manual — part 549
4AT(diag)-33
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
13.Diagnostic Procedure with Diagnostic Trouble Code (DTC)
A: DTC P0705 TRANSMISSION RANGE SENSOR CIRCUIT (PRNDL INPUT)
DTC DETECTING CONDITION:
• Inhibitor switch is faulty.
• More than 2 range signal is input.
TROUBLE SYMPTOM:
• Shift characteristics are erroneous.
• Range position of select lever and AT select lever position indicator light on the combination meter is not
matched.
4AT(diag)-34
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
WIRING DIAGRAM:
• LHD model
AT-03155
i10
i77
i84
B280
B54
B12
T7
2
1
3 4
6 7 8 9 10
22
21
20
19
18
17
16
15
14
13
12
11
5
12
11
10
9
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
12
11
10
9
12
11
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
22 23
21
20
19
16
15
14
13
12
11
10
9
34 35
33
32
17
30
18
31
29
28
27
26
25
24
8
7
6
5
4
3
2
1
22
23
21
20
19
16
15
14
13
12
11
10
9
17
30
18
29
28
27
26
25
24
8
3
4
5
6
7
2
1
18 19 20
17
16
15
14
13
12
11
10
9
24
23
22
21
A:
B:
3
4
21
22
P
R
N
D
i10
i77
i84
A:
B280
B:
A27
A26
B20
B30
3
12
14
4
5
22
2
8
3
1
T7
B54
B12
T3
T3
B12
8
3
9
10
5
4
P
R
N
D
MAIN SBF
SBF-6
No.5
E
E
B
A
TTER
Y
COMBINATION
METER
JOINT
CONNECTOR
BODY INTEGRATED
MODULE
TCM
INHIBITOR
SWITCH
7
1
2
4
5
7
B352
JOINT
CONNECTOR
B355
JOINT
CONNECTOR
B352
B355
1 2 3 4
5 6 7 8
2
*
2
*
1
*
1
*
8
2
1
*
: TERMINAL No. RANDOM ARRANGEMENT
AMONG 1,2,5, AND 6
2
*
: TERMINAL No. RANDOM ARRANGEMENT
AMONG 3,4,7, AND 8
4AT(diag)-35
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
• RHD model
AT-03156
3
4
21
22
7
P
R
N
D
i10
i77
i10
i77
i84
B280
B352
B53
B54
B12
T7
i84
A:
B280
B:
2
8
A27
A26
B20
B30
3
12
14
4
5
22
2
8
3
1
8
B352
2
4
B53
T7
B54
B12
T3
T3
B12
8
3
9
10
5
4
P
R
N
D
2
1
3 4
6 7 8 9 10
22
21
20
19
18
17
16
15
14
13
12
11
5
2
1
3 4
8
7
6
5
12
11
10
9
8
7
6
5
4
3
2
1
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
12
11
10
9
12
11
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
22 23
21
20
19
16
15
14
13
12
11
10
9
34 35
33
32
17
30
18
31
29
28
27
26
25
24
8
7
6
5
4
3
2
1
22
23
21
20
19
16
15
14
13
12
11
10
9
17
30
18
29
28
27
26
25
24
8
3
4
5
6
7
2
1
18 19 20
17
16
15
14
13
12
11
10
9
24
23
22
21
MAIN SBF
SBF-6
No.5
E
E
B
A
TTER
Y
COMBINATION
METER
JOINT
CONNECTOR
BODY INTEGRATED
MODULE
JOINT
CONNECTOR
JOINT
CONNECTOR
TCM
INHIBITOR
SWITCH
A:
B:
2
*
2
*
1
*
1
*
6
1
1
*
: TERMINAL No. RANDOM ARRANGEMENT
AMONG 8,18, AND 19
2
*
: TERMINAL No. RANDOM ARRANGEMENT
AMONG 9,10, AND 20
4AT(diag)-36
AUTOMATIC TRANSMISSION (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
Check
Yes
No
1
CHECK INDICATOR LIGHT.
1) Turn the ignition switch to ON.
2) Shift the select lever to “P” range.
Does the “P” range indicator
light on combination meter illu-
minate?
2
CHECK INDICATOR LIGHT.
Does the “R” range indicator
light on combination meter illu-
minate?
3
CHECK INDICATOR LIGHT.
Does the “N” range indicator
light on combination meter illu-
minate?
4
CHECK INDICATOR LIGHT.
Does the “D” range indicator
light on combination meter illu-
minate?
5
CHECK “P” RANGE SWITCH.
1) Connect the Subaru Select Monitor to data
link connector.
2) Shift the select lever to “R” range.
Does the “P” range LED of
Subaru Select Monitor illumi-
nate?
6
CHECK INDICATOR LIGHT.
Does the “R” range indicator
light on combination meter illu-
minate?
7
CHECK “R” RANGE SWITCH.
Does the “R” range LED of
Subaru Select Monitor illumi-
nate?
8
CHECK INDICATOR LIGHT.
Shift the select lever to “N” range.
Does the “P” range indicator
light on combination meter illu-
minate?
9
CHECK “N” RANGE SWITCH.
Does the “N” range LED of
Subaru Select Monitor illumi-
nate?
10
CHECK INDICATOR LIGHT.
Shift the select lever to “D” range.
Does the “D” range indicator
light on combination meter illu-
minate?
Even if the SPORT
indicator light is
blinking, the cir-
cuit has returned
to normal condi-
tion at this time. A
temporary poor
contact of connec-
tor or harness may
be the cause.
Repair the har-
ness or connector
in TCM and trans-
mission.
11
CHECK “D” RANGE SWITCH.
Does the “D” range LED of
Subaru Select Monitor illumi-
nate?
12
CHECK HARNESS CONNECTOR BETWEEN
INHIBITOR SWITCH AND CHASSIS
GROUND.
1) Turn the ignition switch to OFF.
2) Disconnect the connector from inhibitor
switch.
3) Measure the resistance of harness
between inhibitor switch and chassis ground.
Connector & terminal
(T7) No. 5 — Chassis ground:
Is the resistance less than 1
Ω?
Repair the open
circuit of harness
between inhibitor
switch connector
and chassis
ground, and poor
contact in cou-
pling connector.
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