Rear Oxygen Sensor; Main Relay - Subaru Legacy 2004 Service Manual
Hide thumbs
Also See for Legacy 2004:
- Service manual (878 pages) ,
- Owner's manual (525 pages) ,
- General service manual (144 pages)
Table of Contents
Advertisement
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
C: DTC P0037 HO2S HEATER CONTROL CIRCUIT LOW (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(H4DOTC)(diag)-
30, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-28, PROCE-
DURE, Inspection Mode.>.
WIRING DIAGRAM:
MAIN RELAY
5
3
6
4
2
1
B47
*
: TERMINAL NO. RANDOM ARRANGEMENT
B19
T5
REAR
OXYGEN SENSOR
T6
T5
B19
*
*
B83
B:
B135
C:
B136
ECM
D:
B137
EN(H4DOTC)(diag)-64
BATTERY
B21
E2
E
E
B19
B47
1
2
1 2
3
4
3 4
5
6
B83
T6
1 2 3 4
2 1
5 6 7 8
4 3
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
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-01947
Advertisement
Chapters
Table of Contents
