1A-40 Engine General Information and Diagnosis:
(White connector)
37
38
39
40 41
42 43 44 45 46 47 48 49
50
51
52
53
54
3
1. Black connector side
Circuit Voltage Table
"B"
Wire
Terminal
color
1
—
2
G
Starter relay control
3
P/W PTT relay DN
4
—
5
Bl/B
Water pressure sensor
6
Br/Y Throttle position sensor
7
W/Y Trim and Tilt sensor
8
Lg/B IAT sensor
9
Bl/W Speedo sensor
10
R/W Power source #2 for sensor
11
Bl
Oil pressure switch
12
Gr
ECM power source
13
—
14
—
15
B/G
Ignition switch key
2
(A)
55
56
57
58 59
60 61 62 63 64 65 66 67
68
69
70
71
72
(Black connector)
1 2 3 4 5 6 7 8 9 10 11 12 13
14 15 16
3
2. Gray connector side
48 47 46 45 44 43 42 41 40 39 38 37
60 59 58 57 56 55 54 53 52 51 50 49
72 71 70 69 68 67 66 65 64 63 62 61
"A": Black connector
Circuit
—
—
Approx. 0.9 – 4.0 V
—
—
ECM
1
17 18
(White connector)
3. Wire harness
12 11 10 9 8 7 6 5 4 3 2 1
24 23 22 21 20 19 18 17 16 15 14 13
36 35 34 33 32 31 30 29 28 27 26 25
"B": Gray connector
Standard Voltage
—
Approx. 0.5 V
Ignition switch ON, Cranking.
Approx. 12 V
Ignition switch ON, Normal.
Approx. 0 V
PTT switch DN, free.
Approx. 12 V
PTT switch DN, Push.
—
0.5 – 4.5 V
Ignition switch ON.
Approx. 3.8 V
Ignition switch ON, Throttle WOT.
Approx. 0.7 V
Ignition switch ON, Throttle FCT.
Ignition switch ON.
0.04 – 4.46 V
Ignition switch ON.
0.5 – 4.5 V
Ignition switch ON.
Approx. 5 V
Ignition switch ON.
Approx. 5 V
While engine running.
Approx. 0 V
Engine stopped (Ignition switch ON.)
Approx. 12 V
Ignition switch ON.
—
—
Approx. 12 V
Ignition switch ON.
(A)
(Black connector)
19 20 21 22 23 24 25 26 27 28 29 30 31
32 33 34
35 36
I9J011110037-02
"A"
I9J011110017-02
Condition / Remarks
—
—
—
—
Need help?
Do you have a question about the DF70A and is the answer not in the manual?