Subaru Legacy III (2000-2003 year). Manual - part 137
EN(H4SO)-160
ENGINE (DIAGNOSTICS)
DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
Z: 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)-47, OPER-
ATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)-40, OPERATION, Inspection
Mode.> .
• WIRING DIAGRAM:
EN-01122
BATTERY
F44
B61
6
T5
B19
2
B47
MAIN RELAY
1
2
3
5
4
6
F44
1 2 3 4
5 6 7 8
C4
B14
B19
D15
C16
C5
REAR
OXYGEN SENSOR
ECM
4
1
3
1
4
3
2
8
B22
B83
B19
T5
T6
E3
B47
B19
B22
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
3
4
5
6
1
2
T6
4 3
2 1
2
1
FG
3
B135
B:
C: B136
D: B137
SBF-5
B136
5 6
7
2
1
9
8
4
3
23
21 22
24
10 11 12 13 14
25 26
15 16 17
18 19 20
B137
4
1
5
3
2
6
18
15
16
7 8 9 10 11
17
19 20
12 13
14
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
B135
B83
1 2 3 4 5 6
4
EG
: FOR G.C.C COUNTRIES MODEL
: EXCEPT FOR G.C.C COUNTRIES MODEL
FG
EG