Engine Control System 1A-37
26-Way Connector
16-Way Connector
Pin No.
Connected to
Pin No.
Connected to
1
—
39
VIM power ground
2
Exhaust brake solenoid valve
40
—
3
ECO (power save) relay
41
—
4
Exhaust brake lamp
42
Glow lamp
5
—
43
—
6
—
44
Neutral (P/N) switch
7
PTO switch
45
—
8
—
46
Starter switch (ST)
9
DLC (diagnostic switch)
47
Freezer switch
10
—
48
Stop lamp switch
11
—
49
Clutch switch
12
Warm-up (QWS) switch
50
Exhaust brake switch
13
—
51
—
Pin No.
Connected to
Pin No.
Connected to
14
VS sensor signal
52
VIM power ground
15
ABS/ASR controller
53
AT controller
16
AT controller
54
Voice alarm unit (idle stop)
17
ABS/ASR controller
55
—
18
AT controller
56
AT controller
19
ABS/ASR controller
57
ABS/ASR controller
20
—
58
—
21
—
59
AT controller
LNW21ASF001901
25 26
24
64
27
62
60
23
63
61
22
65
28
73
72
29
36
32 33 34
30
35
31
68 69 70 71
67
74
66
76
37 38
75
4 5
48
40
11
9
7
10
8
6
42
46
43
47
45
44
41
49
39
3
1 2
50 51
13
12
53
20 21
15
19
18
16 17
52
55
54
14
59
56
58
57