JLG Lull 1044C-54 II Series Service Manual page 75

Diagram 4-3 — Electrical Schematic (cont'd)
ON WHEN BOOM
OVER 40°
RELAY K11
'A' OF CIRCUIT
BOARD &
SHIFTER HARNESS)
PLUGGED
A
PLUGGED
B
PLUGGED
C
IGN POWER
D
FROM CIRCUIT
BOARD J11
(SEE SHT 1)
'B' OF CIRCUIT
BOARD &
SHIFTER HARNESS)
RELAY GND
A
FORWARD SGN
B
REVERSE SGN
C
BOOM OVER 40
D
PLUGGED
E
BOOM OVER 20
F
FROM CIRCUIT
BOARD J3
(SEE SHT 1)
'E' OF CIRCUIT
BOARD &
SHIFTER HARNESS)
DIRECTION INPUT
A
FORWARD
B
REVERSE
C
NEUTRAL A
D
FROM CIRCUIT
BOARD J10
(SEE SHT 1)
'C' OF CIRCUIT
BOARD &
SHIFTER HARNESS)
DIRECTION INPUT
1
FORWARD
2
REVERSE
3
NEUTRAL
4
SHIFTER Y5 D6
5
SHIFTER Y4 D7
6
SHIFTER Y3 D8
7
D9
SHIFTER Y6
8
SHIFTER PWR
9
PLUGGED
10
PLUGGED
11
PLUGGED
12
FROM SHIFTER
CONNECTOR
(SEE SHT 1)
TO DASH
GND STUD
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
CAN TERMINATOR
A
D
B
120 OHM
C
CAN TERMINATOR
H A
B
120 OHM
C
31200079
ON WHEN BOOM
ON WHEN BOOM
OVER 20° AND
OVER 40°
NOT OVER 40°
RELAY K12 RELAY K13
RELAY K18
D10
MANIFOLD AIR COOLANT TEMP
TEMP SENSOR SENSOR
A B A B
R Q
ECU IGN/012
ECU BAT/022
ECU GND/050
PLUGGED
CLT TMP
PLUGGED
OVR SGN/918
FAULT LT/473
ALT EXC
SEE SHT 1
OVR SUP/911
THR SGN/915
THR RTN/914
PLUGGED
HR MTR
OIL PSI
GAGE PWR
TRANS TEMP
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
PLUGGED
SHTDN/941
SHIELDED
CABLE
(CAN H/904, YELLOW)
(CAN L/905, GREEN)
(SHIELD/020)
SHIELDED
CABLE
(CAN H/904, YELLOW)
(CAN L/905, GREEN)
(SHIELD/020)
DEERE ENGINE ECU
ON WHEN ON WHEN SHIFTER ON WHEN
SHIFTER Y5 IS OFF AND FORWARD
Y5 IS ON BOOM IS 21-40° SELECTED
RELAY K14 RELAY K15 RELAY K16
FUEL TEMP CRANK OIL PRESSURE INJECTOR
SENSOR SENSOR SENSOR PUMP
A B A B A B C A B
P N F E
NOTES:
12 TURNS
1. ALL CONNECTOR DESIGNATOR LETTERS ON THIS SHEET REFER TO THE
PER FOOT
ENGINE ECU HARNESS (4923232).
TWIST
390 OHM, 1W
12 TURNS
PER FOOT
SHIELDED
TWIST
CABLE
J
G
A B C D E F G H J
DIAGNOSTIC
CONNECTOR
Reference Diagrams
ON WHEN
REVERSE
SELECTED
RELAY K17
D1 D2 D3 D4 D5
SOLENOID HARNESS)
SOLENOID Y1
SOLENOID Y2
SOLENOID Y3
DASH GND
(OTHERS NOT USED)
DIODE
MODULE
#1
SOLENOID HARNESS)
SOLENOID Y4
SOLENOID Y5
SOLENOID Y6
DASH GND
(OTHERS NOT USED)
DIODE
MODULE
#2
MV0450
Q
CLT TMP CLT TEMP
SENDER
P23222
L
OIL PSI OIL PRESS
SENDER
P23217
GAGE PWR 5 PSI ENGINE OIL K
A
PRESSURE
HR MTR
B
SWITCH
V
TRANS TEMP TRANS TEMP
SENDER
P19472
MV0460
UPPER KOSTAL
TRANSMISSION
CONNECTOR
('B' OF TRANS
1
2
3
7
ONLY 4 OF 16
PINS SHOWN
UPPER KOSTAL
TRANSMISSION
CONNECTOR
('C' OF TRANS
4
5
6
7
ONLY 4 OF 16
PINS SHOWN
4-9