Komatsu Galeo PC138US-8 Shop Manual page 284

SEN02553-01
System components
Engine controller
Input and output signals
The following is the list of the symbols used for
q
signal classification in the input/output signal
chart.
A: Power supply
B: Input
C: Ground/shield/return
D: Output
E: Communication
DTP-4P [CN-CE03]
Pin No. Signal name
1 GND
2 NC
3 Constant power supply (24 V)
4 NC
26
10 Structure, function and maintenance standard
Signal
classification
C
—
A
—
PC138US, USLC-8