Subaru Legacy (2005 year). Service manual — part 1021
CC(diag)-21
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
C: DTC 13 CLUTCH SWITCH
TROUBLE SYMPTOM:
• Cruise control cannot be set.
• Cruise control cannot be released.
WIRING DIAGRAM:
• 2.5 L EC, K4 and EK model
CC-00362
B65
MAIN SBF
SBF-2
F/B No.8
B65
4
3
1
2
C8
C10
C9
1 2
3 4
B136
C:
B136
9
30
29
28
32
31
20
19
18
22
21
10
12
11
14
24
34
33
27
26
16
1
2
3
4
5
6
13
23
15
25
8
7
17
35
C:
SBF-8
F/B No.4
F5
B159
F9
F:
9
4
7
6
2
1
5
3
8
B159
F:
ECM
BATTERY
STOP LIGHT SWITCH
AND BRAKE SWITCH
BRAKE
SWITCH
STOP LIGHT
SWITCH
IGNITION
RELAY
FUSE & RELAY BOX
CLUTCH SWITCH (MT)
2
1
B107
MT
MT
1 2
B107
CC(diag)-22
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
• 2.0 L non-turbo model, 2.5 L KS, KA model
CC-00363
B65
MAIN SBF
SBF-2
F/B No.8
B65
4
3
1
2
D13
D22
D12
1 2
3 4
B137
D:
SBF-8
F/B No.4
F5
B159
F9
F:
9
4
7
6
2
1
5
3
8
B159
F:
ECM
BATTERY
STOP LIGHT SWITCH
AND BRAKE SWITCH
BRAKE
SWITCH
STOP LIGHT
SWITCH
IGNITION
RELAY
FUSE & RELAY BOX
CLUTCH SWITCH (MT)
2
1
B107
MT
MT
1 2
B107
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
D:
CC(diag)-23
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
Step
Check
Yes
No
1
CHECK CLUTCH SWITCH CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the clutch switch harness con-
nector.
3) Turn the ignition switch to ON.
4) Measure the voltage between harness con-
nector terminal and chassis ground.
Connector & terminal
(B107) No. 1 (+) — Chassis ground (
−
):
Is the voltage more than 10 V? Go to step 2.
• Check fuse No.
4 (in fuse & relay
box).
• Check the har-
ness for open or
short between
clutch switch and
fuse & relay box.
2
CHECK CLUTCH SWITCH CIRCUIT.
1) Turn the ignition switch to OFF.
2) Disconnect the ECM harness connector.
3) Measure the resistance between clutch
switch harness connector terminal and ECM
harness connector terminal.
Connector & terminal
2.5 L EC, K4 and EK model:
(B107) No. 2 — (B136) No. 10:
2.0 L non-turbo model, 2.5 L KS, KA mod-
el:
(B107) No. 2 — (B137) No. 22:
Is the resistance less than 10
Ω?
Repair the har-
ness.
3
CHECK CLUTCH SWITCH.
Remove and check the clutch switch. <Ref. to
CC-7, Clutch Switch.>
Is the clutch switch OK?
Replace the ECM.
<Ref. to FU(H4SO
2.0)-34, Engine
Control Module
(ECM).> <Ref. to
FU(H4SO 2.5)-37,
Engine Control
Module (ECM).>
Replace the clutch
switch.
CC(diag)-24
CRUISE CONTROL SYSTEM (DIAGNOSTICS)
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
D: DTC 14 NEUTRAL POSITION SWITCH
TROUBLE SYMPTOM:
Cruise control cannot be set.
WIRING DIAGRAM:
• 2.0 L turbo model, 3.0 L model
CC-00219
B137
ECM
D9
D:
B137
9
30
29
28
31
20
19
18
22
21
10
12
11
14
24
27
26
17
16
1
2
3
4
5
6
7
13
23
15
25
8
D:
B19
B55
TCM
B:
1 2 3 4
10 11 12
19 20 21
13
5 6
14 15
7
8
9
16
17
18
22
23
24
B55
B:
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