Subaru 2006 Legacy, Manual

Page: 286 / 4302

EN(H4SO)(diag)-249
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
CL:DTC P1152 O2 SENSOR CIRCUIT RANGE/PERFORMANCE (LOW) (BANK1
SENSOR1)
DTC DETECTING CONDITION:
• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-185, DTC P1152 O2 SENSOR CIRCUIT RANGE/PER-
FORMANCE (LOW) (BANK1 SENSOR1), Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repairing or replacing the defective part, perform the Clear Memory Mode <Ref. to EN(H4SO)(di-
ag)-43, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)(diag)-34, PRO-
CEDURE, Inspection Mode.>.
WIRING DIAGRAM:
EN-04042
3 4
1 2
5 6
B327
SBF-5
B327
B138
E2
B21
B21 E2
E23
E22
1
2
6
4
E E
1 3 4
2
B135 B: B136 C:
E
4
1 3
1 2
3 4
E23
FRONT OXYGEN
(A/F) SENSOR
JOINT
CON-
NECTOR
REAR OXYGEN
SENSOR
ECM
OXYGEN SENSOR RELAY
BATTERY
B134
8
5 6
10 11 12 13 14 15
7 2 1 3 4
16
30
19 20 22
28 29
9 17
18 25 21 23 24
32 31
26 27
33 34
B135
5 6 7 2 1 3 4
29
10 11 12 13 14 15
25 24
16
30
9 8 17 18 19
20
28 21 22 23
32 31
26 27
33 34 35
B:
B136 C:
8
5 6
10 11 12 13 14 15
2 1 3 4
16
30
19 20 22
29
9
17 18 25 24
7
28
21 23
32 31
26 27
33 34 35
B138
3 4
5 6
1 2
7 8
B134 A:
A:
6
: TERMINAL No.
OPTIONAL
ARRANGEMENT
*
E22
3 1
6 5 4
2
50
B21
1 2 3 4
12 13 14 15
5 6 7 8
16 17 18 19
9 10 11
20 21 22
23 24 25 26 27 28 29 30 31 32 33
35 34 37 36 39 38 41 40
43 42 44 45 47 46
49 48 51 50 53 52 54
19 53 51
3 4 1
* *
*
A29
C4 B4 B1 B9 B8 C2 C3
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