Subaru Forester 2004 Service Manual page 142

Engine section 3
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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
AF:DTC P0458 EVAPORATIVE EMISSION CONTROL SYSTEM PURGE CON-
TROL VALVE CIRCUIT LOW
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
Erroneous idling
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:
MAIN RELAY
6
4
5
3
2
1
B47
SBF-5
B134
ECM
B21
E2
E4
PURGE CONTROL
SOLENOID VALVE
EN(H4DOTC 2.5)-141
ENGINE (DIAGNOSTIC)
BATTERY
1
8
18 19 20 21
28
E
B47
1
2
3
4
5
6
B134
2
3
4
5
6
7
9
10
11 12 13 14 15
16 17
22 23
24
25
26 27
29
30 31
32
33 34
B21
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
E4
1 2
EN-02366

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