Subaru Impreza 2004 Service Manual page 68

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AE:DTC P0230 FUEL PUMP PRIMARY CIRCUIT
• DTC DETECTING CONDITION:
• Immediately at fault recognition
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-
47, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-39, Inspec-
tion Mode.>.
• WIRING DIAGRAM:
B97
R1
FUEL PUMP
CONTROL UNIT
R15
R57
FUEL
PUMP
M
R58
F44 B97
1 2 3 4
5 6 7 8
B134
A :
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15
16 17 18 19 20 21 22
4 2 LHD
FUEL PUMP
RELAY
B46
R122
R3
B99
ECM
A : B134
D : B137
R122
B46
R15
1 2
5 6 7 8 9 10
1 2
3 4
D : B137
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23 24
EN(H4DOTC)(diag)-147
8 LHD
B61 F44
E
R58
3 4
1 2 3
4 5 6
: LHD
B99
1 2 3 4 5 6 7 8 9 10 11
12 13 14 15 16 17 18 19 20 21 22
ENGINE (DIAGNOSTICS)
BATTERY
SBF-5
1 LHD : 20
*
RHD : 27
LHD : 19
2
*
RHD : 26
3 LHD : 7
*
RHD : 5
B99 : RHD
1 2 3 4 5 6
10 11 12 13 14 15 16 17 18
23 24
22 23 24 25 26 27 28 29
E
7 8 9
19 20 21
30 31 32
EN-02559