TOHATSU BFT 250A, Service Manual

Page: 319 / 639

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OTHER ELECTRICAL
BLADE FUSE INSPECTION
Remove the fuses from fuse/relay junction box and
check for blown fuses.
If the fuses are normal, install the fuses to fuse/relay
junction box and check for continuity between the
terminals in each connectors as shown in the table.
There should be continuity at all times.
28
T4 T5 T6
27 28 27 27 27 29 28 28 27 29 28 29 28 27
29
27
28
T4 T5 T6
FUSE/RELAY JUNCTION BOX
STARTER
RELAY
No.8
FUSE
(10A)
MAIN
RELAY
FUEL
PUMP
RELAY
FLR2 FUEL PUMP FLR1 IGP3 ACG SVSCP SVS O2 PHC #1 PHC #2 PHC #3 PHC #4 PHC #5 PHC #6 +B REMOTE
3 7 4 5 9
4
6 4 9
17 18 20 22 2 3 5 7 23 21
10 11 13 14 8
INJ #1 INJ #2 INJ #3 INJ #4 INJ #5 INJ #6
6 7
IGP1 IGP2
1
15 19
ST GND(NTSW) ST SOL IGPR GND
1
8 3
6 5 1 2
2 10 8
15 12
1
2
3
4
21
22
23
24
25
26
27
28
5
6
7
8
47
48
9
10
11
12
13
14
15
16
17
18
19
20
29
30
31
32
33
34
35
36
37
38
39
40
43
42
41
42
45
46
4 6 7
8
9
10
11
12 13
14
15
16
17
18
19
20
3 5
46
45
1 2
21 22
23
24
25
30 29
28
27
26
39
38 37
36
35
34 33
32
31
40
48 47
44
43
42 41
1 2 3 4
5 6 7 8
1
2
3
4
5
6
7
8
9
10
1 2 3 4 5 6 7 8
9 10
11
12 13 14 15
16 17 18 19 20 21 22 23
MAIN
RELAY
STARTER
RELAY
FUEL PUMP
RELAY
No.1
(150A)
No.5
(10A) No.4
(30A)
No.8
(10A) No.9
(15A) No.11
(15A) No.10
(10A)
No.10
FUSE
(10A) No.11
FUSE
(15A) No.9
FUSE
(15A)
No.4
FUSE
(30A) No.5
FUSE
(10A)
No.1
FUSE
(150A)
Check terminals
No.1 fuse (150 A) No.1 terminal and terminal
No.1 fuse (150 A) No.2 terminal and terminal
No.4 fuse (30 A) No.5 terminal and terminal
No.4 fuse (30 A) No.6 terminal and starter relay No.23 terminal
No.4 fuse (30 A) No.6 terminal and main relay No.27 terminal
No.5 fuse (10 A) No.3 terminal and
terminal
No.5 fuse (10 A) No.4 terminal and fuse/relay junction box 8P connector No.4 (+B REMOTE) terminal
No.8 fuse (10 A) No.15 terminal and terminal
No.8 fuse (10 A) No.16 terminal and fuel pump relay No.35 terminal
No.9 fuse (15 A) No.7 terminal and main relay No.28 terminal
No.9 fuse (15 A) No.8 terminal and fuse/relay junction box 8P connector
No.8 (INJ 1) terminal
No.9 fuse (15 A) No.8 terminal and fuse/relay junction box 23P connector No.17 (INJ 2) terminal
No.9 fuse (15 A) No.8 terminal and fuse/relay junction box 23P connector No.18 (INJ 3) terminal
No.9 fuse (15 A) No.8 terminal and fuse/relay junction box 23P connector No.20 (INJ 4) terminal
No.9 fuse (15 A) No.8 terminal and fuse/relay junction box 23P connector No.22 (INJ 5) terminal