Subaru IMPREZA GD 2007 Series Manual page 303

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
BH:DTC P0448 EVAPORATIVE EMISSION CONTROL SYSTEM VENT CONTROL
CIRCUIT SHORTED
DTC DETECTING CONDITION:
• Immediately at fault recognition
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-136, DTC P0448 EVAPORATIVE EMISSION CONTROL
SYSTEM VENT CONTROL CIRCUIT SHORTED, Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repairing or replacing the defective parts, perform the Clear Memory Mode <Ref. to
EN(H4SO)(diag)-47, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)(di-
ag)-38, PROCEDURE, Inspection Mode.>.
WIRING DIAGRAM:
MAIN RELAY
6
3
5
4
2
1
B47
R69 B47
1 2
1 2
3 4
5 6
F44
B98
1 2 3 4 1 2 3 4 5
5 6 7 8
6 7 8 9 10 11 12
EN(H4SO)(diag)-194
DRAIN
VALVE
R57
1 2 3
1 2 3 4 5 6 7
7 8 9 10 11 12 13 14 15
8 9 10 11 12 13 14 15 16
17 18 19 20 21 22 23
28 29 30
BATTERY
E
B136
4 5 6
16
24 25 26 27
31 32 33 34 35
EN-05395