Subaru LEGACY 2006 Manual page 290

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Diagnostic Procedure with Diagnostic Trouble Code (DTC)
CO:DTC P1400 FUEL TANK PRESSURE CONTROL SOLENOID VALVE CIRCUIT
LOW
DTC DETECTING CONDITION:
• Detected when two consecutive driving cycles with fault occur.
• GENERAL DESCRIPTION <Ref. to GD(H4SO)-193, DTC P1400 FUEL TANK PRESSURE CONTROL
SOLENOID VALVE CIRCUIT LOW, Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repairing or replacing the defective part, perform the Clear Memory Mode <Ref. to EN(H4SO)(di-
ag)-43, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO)(diag)-34, PRO-
CEDURE, Inspection Mode.>.
WIRING DIAGRAM:
MAIN RELAY
5
3
6
4
2
1
B47
B47
1 2
1 2 3 4
3 4
10 11 12 13 14
5 6
B97 R213
5 6 7 8 9
1 2 3
15 16 17 18 19 20
4 5 6 7 8
EN(H4SO)(diag)-253
ENGINE (DIAGNOSTICS)
BATTERY
SBF-7
PRESSURE
CONTROL
SOLENOID
VALVE
R68
R67
R213
R46
R15
R1 R1
B97 B97
B136 ECM
R67 R68
1 2
1 2
3 4 5 6
17
28
E
B136
1 2 3 4 5 6
7 8 9
10 11 12 13 14 15 16
18 19 20 21 22 23 24 25 26 27
29 30 31 32 33 34 35
EN-04048