Komatsu ecot3 PC300LC-8 Shop Manual page 292

SEN01998-05
CN-C01
Pin No. Signal name
1 PWR_IN_BATT
2 GND_PWR
3 Washer motor
4 PWR_IN_BATT
5 GND_PWR
6 NC(*)
7 NC(*)
8 NC(*)
9 PWR_OUT_5V_0
10 NC(*)
11 NC(*)
12 NC(*)
13 NC(*)
14 Boom lower switch
15 Arm dump switch
16 Swing pressure switch
17 Arm curl pilot sensor
18 GND_SIG_A
19 Swing lock switch
20 NC(*)
21 Machin select 2
22 NC(*)
23 NC(*)
24 PWR_CTR_KEY
25 NC(*)
26 NC(*)
27 NC(*)
28 NC(*)
29 Hydraulic–oil temperature
30 NC(*)
31 NC(*)
32 NC(*)
33 NC(*)
34 Bucket dump pressure switch
35 NC(*)
36 Travel steering switch
37 GND_SIG_D
38 Swing prolix switch
39 Machin select 5
40 Machin select 1
41 Knob switch
42 NC(*)
43 PWR_CTR_KEY
44 GND_SIG_P
45 COMM_CAN_H_0
46 GND_SIG_A
47 GND_SIG_A
48 NC(*)
49 F pump pressure sensor
50 NC(*)
51 NC(*)
34
10 Structure, function and maintenance standard
CN-C01
Pin No.
Input/
output
52 Service switch
Input
53 Boom raise pressure switch
Input
54 NC(*)
output
55 Travel switch
Input
56 Wiper limit switch
Input
57 Window limit switch
—
58 Machin select 4
—
59 NC(*)
—
60 Start switch
output
61 NC(*)
Input
62 NC(*)
—
63 NC(*)
—
64 COMM_CAN_L_0
—
Input
65 GND_SIG_A
Input
66 NC(*)
Input
67 NC(*)
Input
68 R pump pressure sensor
Input
69 NC(*)
Input
70 NC(*)
—
71 NC(*)
Input
72 NC(*)
—
73 Bucket curl pilot sensor
—
74 Overload pressure sensor
Input
75 Wiper limit switch (P)
—
76 NC(*)
—
77 Machin select 3
—
78 Overload caution enable switch
—
79 Start switch (ACC)
Input
80 NC(*)
—
81 GND_SIG_D
—
*: Never connect to NC or malfunctions or failures will
occur.
—
—
Input
—
Input
—
Input
Input
Input
Input
—
Input
Input
Input/
output
Input
—
—
Input
—
—
Signal name
PC300, 350-8
Input/
output
Input
Input
—
Input
Input
Input
Input
—
Input
—
Input
—
Input/
output
—
—
—
Input
—
—
Input
—
Input
—
Input
—
Input
—
Input
—
—