Subaru Legacy 2004 Service Manual page 894
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Also See for Legacy 2004:
- Service manual (878 pages) ,
- Owner's manual (525 pages) ,
- General service manual (144 pages)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
W: DTC P0139 O2 SENSOR CIRCUIT SLOW RESPONSE (BANK 1 SENSOR 2)
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4SO 2.5)(diag)-
41, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO 2.5)(diag)-34, Inspection Mode.>.
WIRING DIAGRAM:
• EC, EK and K4 model
OXYGEN SENSOR
RELAY
5
3
6
4
2
1
B327
*
: TERMINAL No. RANDOM ARRANGEMENT
• KA and KS model
NOTE:
Fuel injection system for KA and KS model is the same as 2.0 L model. Refer to EN(H4SO 2.0) section.
SBF-6
REAR
OXYGEN SENSOR
B19
RHD
RHD
LHD
LHD
A: B134
B:
B135
ECM
C: B136
D: B137
B21
E2
E
EN(H4SO 2.5)(diag)-135
BATTERY
B83
*
*
4
8
B83
E
ENGINE (DIAGNOSTICS)
B19
B327
B83
1
2
1 2 3 4
1 2
3
4
5 6 7 8
3 4
5
6
B21
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
36
37
38
39
40
41
42
43
44 45
46
47
48
49
50
51
52
53
54
A:
B134
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
B:
B135
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
C:
B136
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
D:
B137
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
EN-02458
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