Komatsu Galeo PC800-8 Shop Manual page 246

SEN00386-03
Engine controller
• Meanings of signal classes in the terminal table
shown below are as follows.
A : Power Supply
B : Input
C : Ground/Shield/Return
D : Output
E : Communication
CN-CE01
Pin No. Signal name
1 NC(*)
2 NC(*)
3 Atmosphere sensor
4 Supply pump #1 (+)
5 Supply pump #1 (–)
6 CAN(+)
7 NC(*)
8 CAN(+)
9 Supply pump #2 (+)
10 Supply pump #2 (–)
*: Never connect to NC or malfunctions or failures will
occur.
4
10 Structure, function and maintenance standard
CN-CE01
Pin No.
11 EGR valve
12 NC(*)
13 Engine oil pressure sensor
14 NC(*)
15 Coolant temperature sensor
16 5V electric power supply for sensor
Input/
output 17 NC(*)
18 NC(*)
—
19 EGR valve position sensor
—
20 EGR valve inlet pressure sensor
B
21 NC(*)
D
C 22 EGR valve (+)
23 Boost temperature sensor
E
24 NC(*)
—
25 Common rail pressure sensor
E
26 Bkup sensor
D
27 NE sensor (+)
C
*: Never connect to NC or malfunctions or failures will
occur.
Signal name
PC800, 850-8
Input/
output
D
—
B
—
B
A
—
—
B
B
—
D
B
—
B
B
B