JLG 1850SJ Service Manual - Manual (Page 446)

SECTION 7 - BASIC ELECTRICAL INFORMATION & ELECTRICAL SCHEMATICS
7-86 – JLG Lift – 3121619
K [J1]
2 .5 M M (1 -6 )
1 .5 M M (7 ,2 9 ,5 1 ,7 3 )
1 .5 M M (7 ,2 9 ,5 1 ,7 3 )
1 .5 M M (7 ,2 9 ,5 1 ,7 3 )
1 .5 M M (7 ,2 9 ,5 1 ,7 3 )
ECM CONNECTOR
1
2
3
4
5
6
7
8
9
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44
ECM-J2
A [J2]
ECM CONNECTOR
1
2
3
4
5
6
7
8
9
10
11
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59
60
EIC
EIC (ENGINE INTERFACE CONNECTION)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
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62
BLK 248-28 COOLING TEMPERATURE 0.75mm²
BLK 248-40 AIR INLET TEMP 0.75mm² BLK 248-40 AIR INLET TEMP 0.75mm²
BLK 148-56 AIR INLET TEMP 0.75mm²
BLK 148-56 AIR INLET TEMP 0.75mm²
BLK 248-27 BOOS T PRESSURE / TEMP 0.75mm²
BLK 248-24 BOOS T PRESSURE / TEMP 0.75mm²
BLK 248-43 OIL PRES SURE 0.75mm²
BLK 248-44 OIL PRES SURE 0.75mm²
BLK 248-29 OIL PRES SURE 0.75mm²
BLK 148-61 FUEL LOW PRESSURE 0.75mm²
BLK 148-61 FUEL LOW PRE SSURE 0.75mm²
BLK 248-33 INJECTOR 1 1.5mm²
BLK 248-16 INJECTOR 1 1.5mm²
BLK 248-48 INJECTOR 4 1.5mm²
BLK 248-18 INJECTOR 4 1.5mm²
BLK 248-32 INJECTOR 3 1.5mm²
BLK 248-2 INJECTOR 3 1.5mm²
BLK 248-46 INJECTOR 2 1.5mm²
BLK 248-3 INJECTOR 2 1.5mm²
BLK 248-5 MPROP ACTUATOR 1.5mm²
BLK 248-4 MPROP ACTUATOR 1.5mm²
BLK 248-25 RAIL PRES SURE FUEL 0.75mm²
BLK 248-26 RAIL PRES SURE FUEL 0.75mm²
BLK 248-7 RAIL P RESSURE FUEL 0.75mm²
BLK 248-37 ENGINE SPEED CAMS HAFT 0.75mm²
BLK 248-52 ENGINE SPEED CAMS HAFT 0.75mm²
BLK 248-39 E NGINE SPEED CRANK SHAFT 0.75mm²
BLK 248-54 E NGINE SPEED CRANK SHAFT 0.75mm²
SHLD 248-38 ENGINE SPEED CRANKSHAFT 0.75mm²
BLK 148-38 THROTTLE FLA P 4 0.75mm²
BLK 148-38 THROTTLE FLAP 4 0.75mm²
BLK 148-72 THROTTLE FLA P 3 0.75mm²
BLK 148-72 THROTTLE FLAP 3 0.75mm²
BLK 248-20 E HXAUST GA S RECIRCULATION 1.5mm²
BLK 248-19 E HXAUST GA S RECIRCULATION 1.5mm²
BLK 148-85 EHXAUST GAS RECIRCULATION 0.75mm²
BLK 148-85 EHXAUST GAS RECIRCULATION 0.75mm²
BLK 148-82 EHXAUST GAS RECIRCULATION 0.75mm²
BLK 148-82 EHXAUST GAS RE CIRCULATION 0.75mm²
BLK 148-44 EHX AUST GAS RECIRCULATION 0.75mm²
BLK 148-44 EHXAUS T GAS RECIRCULATION 0.75mm²
BLK 248-35 GLOW RELAY CONTROL GND 0.75mm²
OR
G 2
4 8 - 2 3 -1 GL
OW
S
E N S E 1
8 A W
G
B L K 2 4 8 - 23
G
L O W
S
E N S E 0.75
m m ²
BLK 248-23 GLOW SENSE 0.75mm²
BLK 148-13 COOLANT LEVEL SIG 0.75mm²
BLK 148-87 COOLANT LEV EL GND 0.75mm²
BLK 148-26 FUEL PUMP RELAY CONTROL GND 0.75mm²
BLK 148-64 WATER IN FUEL SW 0.75mm²
BLK 148-57 WATER IN FUEL SW RTN 0.75mm²
RED 148-3 ECM PWR 2.5mm² S944
RED 148-1 ECM PWR 2.5mm²
RED 148-5 ECM PWR 2.5mm²
BLK 148-4 ECM GND 2.5mm²
S945 BLK 148-2 ECM GND 2.5mm²
BLK 148-6 ECM GND 2.5mm²
Y E L 2-
48
-1 I G N IT I O N 1
6 A W
G
Y E L 2-
1-
9 9 I G N IT IO
N 18
A W
G
BLK 148-29 COOLANT LEVEL PWR 0.75mm²
S946
BLK 148-88 IGNITION 0.75mm²
S H L D
S H IE L D
Y E L C
A N H
I ( J 19
39 C
A B L E 2 0 )
YEL CAN HI (J1939 CAB LE 20)
G R N CA
N
L O W
(J 1 9 3 9 CA
B L E 2 0 )
GRN CAN LOW (J1939 CA BLE 20)
G R N CA
N
L O W
(J 1 9 3 9 CA
B L E 2 0 )
Y E L C
A N H
I ( J 19
39 C
A B L E 2 0 )
YEL CAN HIGH YE L CAN HIGH
GRN CAN LOW GRN CAN LOW
120 OHM
GRN CA N LOW GRN CAN LOW
YEL CA N HIGH Y EL CAN HIGH
SHLD 248-53 ENGINE SP EED CAMSHAFT 0.75mm²
BLK 148-15-68 CLUTCH SWITCH
BLK 148-15-68 CLUTCH SWITCH
120 OHM
M S 99
9-
1
A B C
MS
9 9 9 -2 A B C
MS
9 9 9 -3 A B C
S H LD
S
H IE LD
( J 1 939
C
A B L E 20)
S H LD
S
H IE LD
( J 1 939
C
A B L E 20)
SHLD SHIELD (J1939 CABLE 20)
MS1000-1
A
B
C
MS1000-2
A
B
C
MS1000-3
A
B
C
MS1001-1
A
B
C
MS1001-2
A
B
C
MS1001-3
A
B
C
YEL CAN HI (J1939 CABLE 20)
GRN CAN LOW (J1939 CABLE 20)
S HLD SHIELD (J1939 CABLE 20)
GLOW PLUG SENSOR
FUSE
5A
F C 100
3 1 2
IGNITION
FUSE
10A
F C 100
4 1 2
BLK 148-35-3 STRT REQ
RE
D E
P DM
2 /0 A W G
BLK 148-70 STRT RTN
BLK 148-70 STRT RTN
BLK 148-71 STRT S IG
BLK 148-71 STRT SIG
5 4 3 2 1
G
H
E
F
C
D
A
B
1 2 3 4 5
BATTERY
POSITIVE
Figure 7-90. Electrical Schematic - Sheet 14 of 17
SHEET 8