Subaru 2004 LEGACY Service Manual page 105

Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
AW:DTC P0230 FUEL PUMP PRIMARY CIRCUIT
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
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:
2
*
* 3
FUEL PUMP
CONTROL UNIT
R122
FUEL
PUMP
M
R58
B362
1 2
FUEL PUMP
B362
RELAY
* 3
2
*
ECM
B: B135
D: B137
B98 R122
1 2
1 2 3
5 6 7
4 5 6 7 8
B97
1 2 3 4 5 6 7
8 9 10 11 12 13 14 15 16
EN(H6DO)(diag)-174
* 1 LHD: 16
RHD: 4
2 LHD: B97
*
RHD: B98
3 LHD: R1
*
RHD: R2
4 LHD: 6
*
RHD: 5
5 LHD: 15
*
RHD: 6
E
R58
3 4
1 2
1 2
8 9 10
8 9 10 11 12 13 14 15
3 4
20 21 22 23
5 6
28 29 30 31
BATTERY
No.11
B: B135 D:
3 4 5 6 7 1 2
16 17 18 19 8 9 10 11 12 13 14 15
24 25 26 27 18 19 20 21
32 33 34 35 26 27
E
B137
3 4 5 6 7
16 17
22 23 24 25
28 29 30 31
EN-02504