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ENGINE (DIAGNOSTICS)
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(H6DO)(diag)-
41, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H6DO)(diag)-34, PROCE-
DURE, Inspection Mode.>.
WIRING DIAGRAM:
MAIN RELAY
6
4
B47
FUEL INJECTOR
No. 1
E43
E44
E5
E16
E6
E17
1 2
Step
1
CHECK OPERATION OF EACH FUEL INJEC-
TOR.
While cranking the engine, check 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
E16
FUEL INJECTOR
FUEL INJECTOR
No. 2
B136
B47
1
2
1
2
3
4
3
4
7 8
9
10
11 12 13 14 15
5
6
17 18 19 20 21
22 23
28
29
30
31
EN(H6DO)(diag)-64
SBF-7
B136
ECM
E6
E17
FUEL INJECTOR
No. 3
No. 4
5
6
1 2 3 4
16
12 13 14 15
24
25
26 27
23 24 25 26 27 28 29 30 31 32 33
32
33 34
35
34
35
42
43
48
49
Check
Does the fuel pump emit oper-
ating sound?
BATTERY
E43
FUEL INJECTOR
FUEL INJECTOR
No. 5
No. 6
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
50
51
52
53
54
Yes
Check the fuel
Go to step 2.
pressure. <Ref. to
ME(H6DO)-27,
INSPECTION,
Fuel Pressure.>
B21
E2
E44
E
EN-03493
No
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