Fuel Injector Circuit - Subaru LEGACY Service Manual

F: FUEL INJECTOR CIRCUIT
CAUTION:
• Check or repair only faulty parts.
• After repair or replacement of faulty parts, conduct Clear Memory Mode <Ref. to EN(H4SO 2.5)(di-
ag)-41, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4SO 2.5)(diag)-34, Inspection
Mode.>.
WIRING DIAGRAM:
• EC, EK and K4 model
MAIN RELAY
5
3
6
4
2
1
B47
FUEL INJECTOR
No. 1
E5 E16
E6 E17
1 2
• KA and KS model
NOTE:
Fuel injection system for KA and KS model is the same as 2.0 L model. Refer to EN(H4SO 2.0) section.
Diagnostics for Engine Starting Failure
E5 E16
FUEL INJECTOR
No. 2
B47
1 2
1 2 3 4
3 4
12 13 14 15
5 6
23 24 25 26 27 28 29 30 31 32 33
34 35
42 43
48
EN(H4SO 2.5)(diag)-67
SBF-8
B136 ECM
E6
FUEL INJECTOR
No. 3
B21
5 6 7 8 9 10 11
16 17 18 19 20 21 22
36 37 38 39 40 41
44 45 46 47
49 50 51 52 53 54
ENGINE (DIAGNOSTICS)
BATTERY
B21
E2
E17
FUEL INJECTOR
No. 4
B136
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 32 33 34 35
E
EN-01991