Komatsu PC88MR-10 Shop Manual page 280

10 Structure and function
Electrical control system
e. CAN signal
f. PC-EPC valve drive signal
g. Solenoid valve ground
h. Throttle signal
i. Fuel supply pump control signal
j. Various sensor signals
Function
The flow to the attachment when the attachment proportional switch is operated fully is controlled by
selecting ATT/P or ATT\E mode on the machine monitor and setting the attachment flow.
System component parts
Engine controller
(PC220-AP70-041-K-00-A)
Input and output signals of engine controller
The symbols in the signal classification column in the Input/output signal table are as follows.
A: Power supply
B: Input
C: Ground/Shield/Return
D: Output
E: Communication
DRC26 60P(1) [ECM J1(CN-CE01)]
Pin No.
(*1)
1
(*1)
2
Crankcase pressure sensor
3
(*1)
4
Charge temperature sensor
5
10-202
(ALL-RA1C-001-K-00-A)
(PC88MR-AP70-03C-K-00-A)
Signal name Signal classification
B
B
PC88MR-10