Subaru Forester 2004 Service Manual page 134

Engine section 3
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AB:DTC P0328 KNOCK SENSOR 1 CIRCUIT HIGH INPUT (BANK 1 OR SINGLE
SENSOR)
DTC DETECTING CONDITION:
Immediately at fault recognition
TROUBLE SYMPTOM:
• Poor driving performance
• Knocking occurs.
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4DOTC 2.5)-42,
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC 2.5)-35, OPERATION,
Inspection Mode.>.
WIRING DIAGRAM:
KNOCK
SENSOR
E14
E1
B20
B136 ECM
EN(H4DOTC 2.5)-133
E
ENGINE (DIAGNOSTIC)
E14
1 2
B20
1 2
3 4
5
6
7
8
9
10
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
EN-02028

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