Sakai SW300-1, Shop Manual

Page: 100 / 246

5-005
ELECTRICAL SYSTEM
3-2. Combination Meter
Power
excitation
circuit
24V
ψ
12V
Voltage reduction
power supply
5 V
power
supply
Movement
Movement
Movement
LCD
CPU
EEPROM
CAN interface
Tachometer
Fuel meter
Coolant temp.
meter
Hour meter
Output interface
Output interface
Illumination LED
Water spray
indicator
Liquid spray
indicator
Side marker lamp
indicator
Flood lamp indicator
Vibration indicator
Turn signal indicator
(left)
Turn signal indicator
(right)
Parking brake
indicator
Engine oil pressure
warning indicator
Charge warning
indicator
Hydraulic
oil
filter
warning indicator
Preheating indicator
Note: The circuit in the dashed box is not mounted.
12V
12V
12V
Battery (+12V)
Starter switch (ACC)
Input
interface
TA
input interface
Frequency divider
selector
AD input interface
Input interface
Input interface
REV. pulse input.1
(pickup)
REV. pulse input.2
(square wave)
Fuel sensor
Coolant temp. sensor
REV. ratio SEL.1
REV. ratio SEL.2
REV. ratio SEL.3
REV. ratio SEL.4
Side marker lamp
Combination meter
ilumination
Turn signal (right)
Turn signal (left)
Vibrator
Liquid spray
Water spray
Flood lamp
Preheating
Parking brake
Charge warning
Engine oil pressure
warning
Lamp check
Coolant temp. SEL.1
Coolant temp. SEL.2
System configuration diagram
Harness side
Wire color and number
(Refer to “1-4 Wire Color Code and Number”
of TROUBLESHOOTING.)
SWP-16F
SWP-16F
SWP-16M
SWP-12M
SWP-12M
SWP-12F
Harness side
Hydraulic oil filter
warning
25
24
31
81
32
X
21
26
G, Engine oil pressure warning
YW, Coolant temp. meter
GW, Hydraulic oil filter warning
YR, Fuel meter
Y, REV. pulse input.2
(square wave)
GR, Parking brake
B, Ground
BrW, Lamp check
RB, REV. ratio SEL.1
LgY, REV. ratio SEL.4
GY, Preheating
OG, REV. ratio SEL.3
W, Charge warning
GB, REV. ratio SEL.2
X
X
22
14
15
23
73
33
88
29
72
23
O, REV. pulse input.1
(pickup)
LR, Turn signal (L)
P, Starter switch (ACC)
R, Battery (+12V)
OW, Coolant temp. SEL.2
WB, Coolant temp. SEL.1
WR, Combination meter
illumination
YL, Side maker lamp
L, Vibrator
LB, Liquid spray
(TW types only)
Br, Water spray
GL, Turn signal (Right)
LW, Flood lamp
*
*
*
*
*
*
*
*
*
*
X
X
B YB
25
32 81
21
26
Sb
YG
B
31
LR
24
L
B
22
YW YL
WR
X
*
*
*
*
15
Y
23
GB
23
GB
29
LW
88
BrW
72
G
73
GR
33
Br
*
*
14
BrB
TW types only
SW300-1-05004
Not in use
.
The arrangement of connector
terminals shown below is that
of connecting surfaces on the
connector side.
100
BW
Wire number
Wire color
05̲ELECTRICAL̲SYSTEM.indb 5-005 05̲ELECTRICAL̲SYSTEM.indb 5-005 2012/11/14 17:58:12 2012/11/14 17:58:12