Subaru 2004 LEGACY Service Manual page 118

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
BE: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(H6DO)(diag)-40,
OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6DO)(diag)-33, PROCEDURE,
Inspection Mode.>.
WIRING DIAGRAM:
E48
E14
1 2
KNOCK
SENSOR
2(LH)
E48
B20
1 2 3 4
1 2
5 6 7 8
7 8
9 10 11 12
17 18 19 20 21
13 14 15 16
28 29 30
EN(H6DO)(diag)-187
KNOCK
SENSOR
1(RH)
E14
E1
B20
B136 ECM
B136
3 4 5 6
9 10 11 12 13 14 15 16
22 23 24 25 26 27
31 32 33 34 35
ENGINE (DIAGNOSTICS)
E
EN-02506