jcb JS300 Service Manual page 466

Wires and Connectors
Harness Connector C015 - J1 (black)
Pins Details
1 Output - cooling fan solenoid
2 Battery (+ 24V)
3 Battery (+ 24V)
4 Battery (+ 24V)
5 Battery (+ 24V)
6 Battery (+ 24V)
7 Analog input - fuel level sensor
8 Not used
9 Digital input - excavator pilot pressure switch
10 Not used
11 Power signal - ignition
12 Low side output - hydraulic pump proportional
solenoid
13 High side output - swing brake solenoid
14 Earth - sensors
15 Earth
16 Earth
17 Earth
18 Analog input - ambient temperature sensor
19 Not used
20 Digital input - air filter vacuum switch
C-41
Fig 3. Harness Connectors C015, C016
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
9813/5100-1
Section C - Electrics
Electronic Controllers
Machine Electronic Control Unit (MECU)
C015
C016
Not used
Power signal - wake up (door open, refuel)
CAN shield
High side output - travel speed solenoid
Boom priority solenoid
High side output - cab interior light
High side output - refuel pump relay
Regulated sensor supply (+ 5V)
Not used
Analog input - auxiliary pilot pressure sensor
Analog input - engine oil temperature sensor
Digital input - swing lock switch
CAN_L
CAN_H
High side output - load assist solenoid
J1
J2
C128270
C-41