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C: CHECK POWER SUPPLY AND GROUND LINE OF ENGINE CONTROL MOD-
ULE (ECM)
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode <Ref. to EN(H4DOTC)(diag)-
37, OPERATION, Clear Memory Mode.> and Inspection Mode <Ref. to EN(H4DOTC)(diag)-30, PROCE-
DURE, Inspection Mode.>.
WIRING DIAGRAM:
MAIN RELAY
3
5
6
4
1
2
B47
B72
B47
1
1
2
3
3
4 5 6
5
B21
1 2 3 4
5 6 7 8
12 13 14 15
16 17 18 19
23 24 25 26 27 28 29 30 31 32 33
34
35
36
37
38
42
43
44 45
48
49
50
51
Diagnostics for Engine Starting Failure
TO FRONT OXYGEN(A/F) SENSOR
No.12
A:
B134
ECM
B:
B135
D:
B137
B21
E2
E
A:
B134
2
1
2
3
4
5
4
8
9
10
11 12 13 14 15
6
18 19 20 21
22 23
24
28
29
30 31
32
9 10 11
20 21 22
39
40
41
46
47
52
53
54
EN(H4DOTC)(diag)-53
IGNITION
B72
SWITCH
SBF-6
6
3
B:
B135
6
7
1
2
3
16 17
8
9
10
11 12 13 14 15
25
26 27
20 21
22 23
24
33 34
28
29 30 31
32 33
ENGINE (DIAGNOSTICS)
SBF-5
SBF-7
No.13
BATTERY
MAIN SBF
D:
B137
1
2
3
4
5
6
7
8
9
10
11 12 13 14 15
16 17 18 19
18 19 20 21
25
26 27
26
27
34 35
E
4
5
6
7
16 17
22 23
24 25
28 29
30 31
EN-03519
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