SANY LATIN AMERICA
4-166
SY195/205/215/225C9 Crawler Hydraulic Excavator
Structure and Function
Shop Manual - June 2013
A1
Pin
No.
Signal name
Input/
output
53
Rear pump pressure sensor
Input
54
Sensor power ground
Input
55
Sensor power ground
Input
56
Sensor power
Output
60
Monitor CAN Low
61
Calibrator CAN High
62
Calibrator CAN Low
66
Coolant temp very high
Input
67
R. travel pressure sensor
Input
68
Swing pressure sensor
Input
69
Bucket CURL pressure sensor
Input
70
Boom RAISE pressure sensor
Input
71
Arm IN pressure sensor
Input
72
Front pump pressure sensor
Input
73
Sensor PWR ground
74
Sensor PWR
Output
75
Sensor PWR
Output
76
State indicator
77
Monitor CAN High
78
Monitor CAN Low
79
Calibrator CAN Low
80
Calibrator CAN shield wire
81
Calibrator CAN High
A2
Pin
No
.
Signal name
Input/
output
82
Travel speed switching solenoid
88
Front pump solenoid valve
89
Rear pump solenoid valve
97
Swing priority solenoid valve
98
Bucket con
fl
uence solenoid valve
99
Boom priority 1
100 Boom priority 2
104 Motor drive
113 Motor drive signal -
114 Power ground
115 Power ground
116 Power ground
117 Power ground
118 Power supply(24V constant)
119 Power supply(24V constant)
120 Power supply(24V constant)
121 Power supply(24V constant)
A1
Pin
No.
Signal name
Input/
output
1
Power ground
2
Power ground
3
Power ground
4
Power supply(24V constant)
Input
5
Power supply(24V constant)
Input
11
Fuel level sensor
Input
15
Throttle position signal
Input
19
Engine speed signal
Input
22
RS232 ground
23
RS232 receive
24
Enable
30
Coolant temperature sensor signal Input
31
Oil temperature sensor signal
Input
33
Backup pilot pressure signal
Input
34
Fuel dial signal
Input
38
Engine speed signal ground
41
RS232 send
42
CPU mode
43
Enable
48
Engine oil pressure switch
Input
49
L. travel pressure sensor
Input
50
Bucket DUMP pressure sensor
Input
51
Boom LOWER pressure sensor
Input
52
Arm OUT pressure sensor
Input
Input and output signals
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