Subaru IMPREZA 2004 Service Manual page 55
Engine section 1
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Also See for IMPREZA 2004:
- Service manual (796 pages) ,
- Owner's manual (491 pages) ,
- Quick reference manual (46 pages)
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
X: DTC P0134 O2 SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK 1 SEN-
SOR 1)
• DTC DETECTING CONDITION:
• Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4SO)(diag)-47,
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)(diag)-40, OPERATION,
Inspection Mode.>.
• WIRING DIAGRAM:
MAIN RELAY
6
4
5
3
2
1
B47
B47
B18
1
2
2
1
3
4
4
3
5
6
LHD
B61
FRONT OXYGEN
(A/F) SENSOR
B18
B:
B135
ECM
C:
B136
B22
E
F44
B22
1 2 3 4
1 2 3 4
5 6 7 8
5 6 7 8
9 10 11 12
13 14 15 16
EN(H4SO)(diag)-132
SBF-5
2
LHD
F44
E3
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
BATTERY
E
B135
4
5 6 7
1
2
3
8
9
10
11 12 13 14 15
16 17 18 19
20 21
22 23
24
25
26
27 28
EN-01421
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