Subaru 2002 IMPREZA Service Manual page 534

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
ENGINE (DIAGNOSTICS)
E: DTC P0066 — AIR ASSIST INJECTOR SOLENOID VALVE CIRCUIT LOW IN-
PUT —
• DTC DETECTING CONDITION:
• Two consecutive driving cycles with fault
• TROUBLE SYMPTOM:
• Erroneous idling
• Engine stalls.
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN-49, OPERATION,
Clear Memory Mode.> and Inspection Mode <Ref. to EN-42, OPERATION, Inspection Mode.> .
• WIRING DIAGRAM:
MAIN RELAY
4
6
5
3
2
1
B47
E42 B47
1 2
1 2
3 4
5 6
LHD 2
B61
AIR ASSIST
INJECTOR
SOLENOID
VALVE
E42
B22
B134 ECM
F44 B22
1 2 3 4
1 2 3 4
5 6 7 8
5 6 7 8
9 10 11 12
13 14 15 16
EN-102
SBF-5
LHD
F44
E3
B134
1 2 3 4
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
24 25 26 27 28 29 30 31 32 33
BATTERY
5 6 7 8
34 35
EN1402