Subaru Forester 2004 Service Manual page 64

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(H4DOTC 2.5)-
42, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC 2.5)-35, OPERA-
TION, Inspection Mode.>.
WIRING DIAGRAM:
MAIN RELAY
6
4
5
3
2
1
B47
E5 E6
E16 E17
1 2
8 9
1 2
17 18
Step
1 CHECK OPERATION OF EACH FUEL INJEC-
TOR.
While cranking the engine, check that each
fuel injector emits operating sound. Use a
sound scope or attach a screwdriver to the
injector for this check.
Diagnostics for Engine Starting Failure
E5
#1 #2
FUEL INJECTORS
B136
3 4
5 6 7
1 2 3 4
10 11 12 13 14 15 16
5 6 7 8
19 20 21 22 23 24
9 10 11 12
13 14 15 16
EN(H4DOTC 2.5)-63
SBF-5
B136 ECM
E16 E6
#3 #4
B47
B21
1 2
3 4
5 6
Check
Does the fuel pump produce
operating sound?
ENGINE (DIAGNOSTIC)
BATTERY
B21
F2
E17
Yes
Check the fuel Go to step 2.
pressure. <Ref. to
ME(H4DOTC)-36,
INSPECTION,
Fuel Pressure.>
E
EN-02319
No