Subaru 2002 IMPREZA Service Manual page 1364

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
AT:DTC P0458 — EVAPORATIVE EMISSION CONTROL SYSTEM PURGE CON-
TROL VALVE CIRCUIT LOW INPUT [AT VEHICLES] —
• 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(TURBO)-45, OP-
ERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(TURBO)-42, Inspection Mode.> .
• WIRING DIAGRAM:
MAIN RELAY
6
4
5
3
2
1
B47
B137 ECM
B22
E3
E4
PURGE CONTROL
SOLENOID VALVE
EN(TURBO)-204
BATTERY
SBF-5
E
B47
1 2
3 4
5 6
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 25 26 27 28 29 30 31
B22
1 2 3 4
5 6 7 8
9 10 11 12
13 14 15 16
E4
1 2
B209
A1 A2 A3 A4 A5
B1 B2 B4 B5
C3
C1 C2 C4 C5
D1 D2 D4 D5
E1 E5
F1 F5
G1G2 G4 G5
H1 H2 H5
H4
H3
I1 I2 I4 I5
J3
J1 J2 J4 J5
EN1441