Komatsu PC500LC-10R Shop Manual page 157

10 STRUCTURE AND FUNCTION
Pin No.
46 GND (analog signal)
47 (*1)
48 (*1)
49 (*1)
50 Bucket DUMP PPC oil pressure sensor
51 Arm OUT PPC oil pressure sensor
52 (*1)
53 Right travel REVERSE oil pressure sensor
54 Service 2 PPC oil pressure switch (*4)
55 Blowby pressure sensor
56 Wiper motor reverse (W)
57 Overload alarm switch
58 Model selection 5
59 Model selection 1
60 (*1)
61 Starting switch C signal
62 External starting signal
63 NC
64 CAN (C)_L
65 (*1)
66 (*1)
67 (*1)
68 (*1)
69 Bucket CURL PPC oil pressure sensor
70 (*1)
71 (*1)
72 Right travel FORWARD PPC oil pressure sensor
73 (*1)
74 Return filter bypass valve stroke sensor
75 Wiper motor stop (P)
76 Cab front window open limit switch
77 Model selection 4
78 PPC lock switch (solenoid side)
79 PPC lock switch (starting motor side)
80 Starting switch ACC signal
81 (*1)
*1: Never connect these pins, otherwise it may cause malfunctions or failures.
PC500LC-10R
COMPONENT PARTS OF CONTROL SYSTEM
Signal name
Input and out-
put signals
Input
-
-
-
Input
Input
-
Input
Input
Input
Input
Input
Input
Input
-
Input
Input
-
Input and out-
put
-
-
-
-
Input
-
-
Input
-
Input
Input
Input
Input
Input
Input
Input
-
10-63