Subaru LEGACY 2003 Service Manual page 83
Engine section 1
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Also See for LEGACY 2003:
- Service manual (4441 pages) ,
- Owner's manual (472 pages) ,
- Quick reference index (80 pages)
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DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
I: DTC 32 OXYGEN SENSOR
• DIAGNOSIS:
• The oxygen sensor is not in function.
• The harness connector between ECM and oxygen sensor is in short or open.
• TROUBLE SYMPTOM:
• Failure of engine to start
• Erroneous idling
• Poor driving performance
• Engine stalls.
• Idle mixture is out of specifications.
CAUTION:
After repair or replacement of faulty parts, conduct CLEAR MEMORY and INSPECTION MODES. <Ref.
to EN(H4SOw/oOBD)-28, OPERATION, Clear Memory Mode.> and <Ref. to EN(H4SOw/oOBD)-26, OP-
ERATION, Inspection Mode.>
• WIRING DIAGRAM:
MAIN RELAY
6
4
5
3
2
1
B47
OXYGEN SENSOR
B136
B61
F44
LHD
6
LHD
B18
B22
E3
15
ECM
EN(H4SOw/oOBD)-81
BATTERY
SBF-5
ENGINE (DIAGNOSTICS)
F44
1 2 3 4
5 6 7 8
B47
1
2
3
4
5
6
B18
2
1
4
3
B22
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
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
EN-01057
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