Komatsu PC600LC-7 Manual page 174

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
CN3 [CN-E13]
Pin No. Signal name
CN3-1 Power supply for power
CN3-2 Power supply for power
CN3-3 NC
CN3-4 NC
CN3-5 Injector #3 (+)
CN3-6 Injector #2 (+)
CN3-7 NC
CN3-8 (Output mode selection 1 (Test mode))
CN3-9 (Lever neutral flag (Test mode))
CN3-10 (Engine rotation pulse output)
CN3-11 Power GND
CN3-12 Supply pump 1 (+)
CN3-13 Supply pump 2 (+)
CN3-14 Injector #1 (+)
CN3-15 Injector #3 (–)
CN3-16 Injector #2 (–)
CN3-17 NC
CN3-18 (Output mode selection 2 (Test mode))
CN3-19 NC
CN3-20 (Q command output)
CN3-21 Power supply for power
CN3-22 Supply pump 1 (–)
CN3-23 Supply pump 2 (–)
CN3-24 Injector #1 (–)
CN3-25 Injector #6 (+)
CN3-26 Injector #4 (+)
CN3-27 NC
CN3-28 NC
CN3-29 NC
CN3-30 GND
CN3-31 Power GND
CN3-32 Power GND
CN3-33 Injector #5 (–)
CN3-34 Injector #5 (+)
CN3-35 Injector #6 (–)
CN3-36 Injector #4 (–)
CN3-37 NC
CN3-38 NC
CN3-39 NC
CN3-40 GND
10-142
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ENGINE CONTROL
PC600, 600LC-7