2. SYSTEM CIRCUIT DIAGRAM
2-1. Electrical Circuit Diagram
0418-99022-0-10926-0
ENGINE ECM (CM2250)
J3(60PIN)
T/
C
CONTROLLE
R
RL
VIBRATOR PROPORTIONAL
SOLENOID 2
SOL
VIBRATOR PROPORTIONAL
SOLENOID 1
SOL
EC
O
CONTROLLER
130 15B
130 15B
15WR
90
15WR
90
15L
19
15W
18
49
15
B
49 15B
49 15B
B
121
B
121
B
121
B
121
36 LgR
B
104
LB
120
1.25RG
116
B
104
COM
W
BY
Lg
Y
11
Y
11
Y
11
Y
11
5kΩ
2
1
4
5
1kΩ
1kΩ
FOR VIBRATOR CALCULATION JIG
BR
100
BR
100
32 BY
28 LgW
28 LgW
28 LgW
1.25R
122
24 1.25BR
5 1.25RB
WB
74
GB
63
28
Lg
W
LgW
28
B
104
B
104
B
104
WB
74
120 LB
G
87
1.25RG
116
GB
63
WB
117
1.25RL
73
1.25RL
73
1.25RB
44
BW
94
BW
94
118 WR
GB
63
GB
63
GB
63
GB
63
GB
63
L
86
20
1.25RW
AV30
AV60
AV60
59 8W
B
X
3
4
5
2
1
3
5
2
1
3
5
2
1
1
2
5
4
3
1
2
5
4
3
2
1
3
FUSE
125A
B
B
HEATER
125A
FUSE
66 3B
CYLINDER
BLOCK
B
104
AV30
67 3W
DUAL OUTPUT B(+) 5
INTAKE AIR ) 4
OUTPUT RETURN(-) 13
SWITCH AND TEMPERATURE SENSOR RETURN 19
DIAGNOSTIC 59
STARTER LOCKOUT 15
33 TACHOMETER
BATTERY(-)32
BATTERY(-)31
12(+)BATTERY
11(+)BATTERY
6 WAIT TO STOP LAMP
BATTERY(-)22
BATTERY(-)21
18 CAN A(-)
17 CAN A(+)
52 SENSOR SUPPLY(POWER)
44 COOLANT LEVEL(SIGNAL)
43 OEM SENSOR(SIGNAL RETURN)
3 KEY SWITCH SIGNAL
ISC2 SWITCH(MIDDLE)38
ISC1 SWITCH(FULL)39
16 WARNING LAMP
8 STOP LAMP
2(+)BATTERY
1(+)BATTERY
BY
98
67 W
67 W
67 W
67 W
GY
88
Y
89
L
93
YW
99
FUEL SENSOR
ENGINE
HARNESS
GL
111
BrR
112
RB
64
A
B
C
SENSOR
BR
101
LgR
102
RW
103
G
85
83 L
66 B
66 B
66 B
66 B
91 LW
92 WL
117 WB
L
86
Br
96
BW
94
GB
63
G
87
G
105
RL
73
GW
55
B
X
1.25RG
128
2B
X
X 1.25B
126 1.25WB
126 1.25WB
CIGARETTE
126 1.25WB
1.25W
B
126
1.25RB
127
RL
73
X 1.25B
ACC
CAN -
CAN +
CONTROL P.C.
120Ω
L
113
G
57
120Ω
1
2
5
4
3
GW
80
OPTION
3WR
65
W
119
5R
78
BG
11
4
5RG
23
5R
3
5R
3
BY
4
R
OPTION
R
Y
30
WR
11
8
WR
123
1.25R
122
1.25RB
44
G
40
L
39
YW
35
MOTOR SPEED CHANGE
SOLENOID (FRONT)
1.25R
W
20
X B
TACHOMETER SENSOR
B
17
YR
THERMO UNIT
C1-P5
C1-P1
C2-P6
C2-P1
C2-P2
C1-P9
C1-P8
C2-P3
C2-P4
C1-P2
C1-P6
C2-P5
C1-P10
C1-P11
C1-P4
C1-P3
C1-P7
C1-P12
BA
TTE
R
Y
IGNITION
INDCA
TO
R
GROUND
PHASE
ALTERNATOR(70A)
B A
CC
B
R
C
OFF
ON
ST
STARTER SWITCH
STARTER
SWITCH
29 LgB
B
C
BR
1.25Lg
26
24
4 5BY
1.25BR
Lg
B
29
114 BG
36
24
BR
LgR
5BY
20
98 BY
114 BG
4
31 BR
3 8R
1.25RW
23 5RG
3 8R
4 5BY
STARTER MOTOR
BR
1.25B
X
71 8BW
E
X
1.25B
5R
78
AV60
F.L. 65A
F.L. 65A
NO
AV
60
-
+
+
-
AV
30
AV
60
F.L. 75A
75
5G
76
8W
Y
79
5W
L
77
5B
W
F.L. 65A
65
3W
R
5
1.25RB
119 W
8W
59
AV60
G
50
30
GND GND OPEN
REV RATIO SEL.
2
3
4
1
TEMP.CURVE SEL.
2
1
OPEN
OPEN
GND
TEMP. 50-103
SET(NO.0)
(ENGINE:127 PULSE/REV)
127 PULSE/REV SET (NO.7)
COMBINATION METER SET
120Ω
120Ω
WR
J
H
G
F
E
D
C
B
A
118
B
B
B
B
B
B
B
98 BY
OPTION
B
118 WR
120 LB
74 WB
RB
44
1.25RB
44
WR
118
129 R
1.25RL
73
2RG
43
GR
46
GB
45
R
1
R
W
42
RW
97
31 Br
5 1.25RB
24 1.25BR
1.25RL
73
70
35
YW
99
YW
38
GR
Br
31
WR
IOX024-020
MCO12-010
L
113
G
57
RW
97
B
X
B
YB
10
YR
9
B
X
B
X
G
105
YB
106
G
105
RY
C1-P5
C1-P7
C1-P6
C1-P8
C1-P4
C1-P3
C1-P2
C1-P1
YR
9
WR
70
G
Br
1
3
2
2
1
4
5
6
3
2
1
1.25B
R
24
1.25RB
5
1.25RG
41
Y
11
R
W
97
WB
74
1.25R
1
13 W
OPTION
RB
64
B
X
GB
63
YL
8
YB
6
WR
70
YW
35
Y
22
Y
22
BY
32
Br
31
GR
46
GB
45
YL
8
GR
38
B
X
B
X
B
X
B
X
B
X
B
X
113
G
40
YW
99
LgW
62
L
39
LY
51
LW
50
L
G
57
GB
60
L
69
Lg
68
GR
56
W
13
BL
58
BW
54
1.25RG
41
R
129
W
13
B
X
1.25RG
41
1.25RL
73
2RG
43
1.25RG
43
BY
4
1.25G
47
1.25GR
46
1.25GB
45
B
X
LgW
82
BrW
37
LgR
36
GR
38
B
X
B
X
B
X
GB
2
GB
2
LgR
36
R
12
R
12
26
B
X
B
X
B
X
13
5A
12
20A
FUSE BOX 1
11
20A
15
A
15
A
15
A
5A
15
A
15
A
20A
5A
15
A
10
9
8
7
6
5
4
3
2
20A
1
20
5A
14
15
16
17
18
19
30A
10A
20A
15
A
20A
20A
FUSE BOX 2
DIODE UNIT
H
G
F
I
D
C
B
E
A
G
B
A
C
E
F
H
I
D
OPTION
RG
43
RL
48
RL
48
L
39
BY
4
LgW
34
Lg
33
RY
30
RY
30
LgW
82
1.25BW
25
115 1.25BY
B
X
B
X
B
X
B
X
W
13
1.25Lg
4
BY
1.25R
1
1.25R
1
1.25R
1
R
1
RW
42
1.25GB
45
1.25GR
46
R
W
42
1.25RW
42
1.25RW
42
1.25RW
42
LB
120
129
3W
67
LW
124
B
X
1.25YR
125
1.25R
122
WR
123
WR
123
2
1
OPTION
YB
10
Br
31
YB
10
YR
9
Y
11
RG
81
Y
11
1.25RL
73
13 W
R
12
2RG
43
YB
106
R
12
25 1.25BW
70 WR
OPTION
OPTION
CONTROLLER
INDICATOR
PASS COUNTER
W
R
6
R
R
B
W
RADIO
3
4
5
1
2
5
3
4
1
2
3
4
5
2
1
3
4
5
2
1
3
4
5
1
2
1
2
5
4
3
3
4
5
2
1
FORWARD
W
B
R
B
CO
M
NO
NC
COM
NO
NC
REVERSE
REAR LAMP
FRONT LAMP
3
4
5
1
LIGHTING SWITCH
GY
GR
G
FLASHER UNIT
B
L
E
TURN SIGNAL
SWITCH
FUEL UNIT
11
12
6
1
T.C.LAMP
2
CONNECTION
ENGINE SPEED
1-3,4-5
1-3,4-6
1-2,4-6
FULL
MID
IDLE
THROTTLE SWITCH
CONNECTION
SPEED
1-2,4-5
1-3,4-6
SOL
DIRECTION
PULS
E
POWE
R
GROUND
MOTOR ROTATION
SENSOR (REAR)
MOTOR ROTATION
SENSOR (FRONT)
5
6
2
3
4
1
SOL
G
B
CL
UNIT
AIR
CON
CABIN
G
G
5
3
4
1
SOL
HORN SWITCH
HORN
HORN RELAY(A-7)
RW
RW
NC NO COM
STOP
X
VIBRATOR
CALCULATION
SWITCH
C1-P11
(LOW)
C1-P12
(HI)
C1-P10
(HI)
C1-P9
(LOW)
COMPRESSOR
MAGNET
CLUTCH
CONTROL
PANEL
PRESSURE
SWITCH
THROTTLE
SWITCH
132
133
131
108
109
VIBRATION
SELECT
SWITCH
ROTATORY
LAMP
ROTATORY
LAMP
SWITCH
ECO LAMP
(24V)
MID SPEED CONTROL
RELAY(B-2)
115E41R
(651CCA)
115E41R
(651CCA)
BATTERY
RELAY
BATTERY
STARTER
RELAY
STARTER
LOCKOUT
RELAY(B-6)
MID/FULL
SPEED CONTROL
RELAY(B-3)
DIAGNOSTIC
SWITCH
THROTTLE
RELAY(B-1)
GRID HEATER
RELAY
GRID
HEATER
14 DUAL OUTPUT A(+)
FOR OIL PRESSURE
The wire size is AVS 0.85 unless otherwise specified.
VIBRATION
MODE CHANGE
SWITCH
F-R LEVER
VIBRATION SWITCH
TERMINATING
RESISTOR
ENGINE COOLANT
LEVEL SENSOR
TERMINATING
RESISTOR
ENGINE
DIAGNOSIS
ENGINE OIL PRESSURE
SWITCH RELAY
(B-4)
O
P R
RE
V.
PULSE INPU
T
1
ST
AR
TER SWITCH(ACC)
BA
TTE
R
Y
24V(+)
GB
OG
LgY
WB
OW
RE
V.
RA
TIO SEL.2
RE
V.
RA
TIO SEL.3
RE
V.
RA
TIO SEL.4
COOLAN
T
TEMP
. SEL.
1
COOLAN
T
TEMP
. SEL.
2
COMBINA
TION METER ILLUMINA
TIO
N
WR
TURN SIGNAL(R
)
TURN SIGNAL(L
)
SIDE MARKER LAMP
FLOOD LAMP
W
ATER SPR
AY
LIQUID SPR
AY
VIBR
AT
OR
GROUND
RE
V.
PULSE INPU
T
2
FUEL
METER
TEMPER
AT
URE METE
R
LAMP
CHECK
HYDRAULIC OI
L FIL
TER
WA
RNING
PA
RKING BRAKE
CHARGE
W
A
RNING
PREHEA
TIN
G
RE
V.
RA
TIO SEL.1
GL
LR
YL
LW
Br
LB
L
B
Y
YR YW
BrW
GR GW
G
W
GY
RB
ENGINE OI
L PRESSURE
WA
RNING
B
BrW
YW
G
GW
YR
GR
Y
W
OG
GB
OW
WB
RB
LgY
GY
LW Br LB
L
WR GL
R
LR
P
YL
O
COMBINATION METER
FLOOD LAMP
(R) (70W)
FLOOD LAMP
(L) (70W)
F-R LEVER
SWITCH
BACKUP
BUZZER
SWITCH
BACKUP
BUZZER
FOOT BRAKE
SWITCH
TERMINATING
RESISTOR
TERMINATING
RESISTOR
SPEED CHANGE SWITCH
SPEED CHANGE
SWITCH
PARKING
BRAKE SOLENOID
PARKING
BRAKE
SWITCH
PARKING INTERLOCK
RELAY(A-2)
INTERLOCK
RELAY(A-1)
BRAKE RELAY
(A-3)
HYDRAURIC OIL
FILTER SWITCH 1
HYDRAURIC OIL
FILTER SWITCH 2
HEAD LAMP
(L) (70W)
HEAD LAMP
(R) (70W)
TURN SIGNAL
LAMP(L) (25W)
TURN SIGNAL
LAMP(R) (25W)
LAMP CHECK
RELAY(B-5)
MOTOR PROPORTIONAL
SOLENOID (REAR)
5-003
ELECTRICAL SYSTEM
Summary of Contents for SV540 Series
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Page 119: ...VIBRATORY DRUM REAR AXLE ...
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