Sakai SW354, Shop Manual

Page: 410 / 480

10-061
TROUBLESHOOTING
Fig.: 2-6-2
SW354-10006
Br
W
Br B
LAMP
CHECK
W
ATER SPR
AY
GROUND
WR Y YL YR YW
FUEL
METER
TEMPER
AT
URE METE
R
ENGINE OI
L PRESSURE
WA
RNIN
G
G
RE
V.
RA
TIO SEL.2
TURN SIGNAL(R
)
PA
RKING BRAKE
HYDRAULIC OI
L FI
LT
ER
WA
RNING
PREHEA
TIN
G
VIBR
AT
OR
LIQUID SPR
AY
RE
V.
RA
TIO SEL.4
TURN SIGNAL(L
)
FLOOD LAMP RE
V.
PULSE INPU
T
1
RE
V.
RA
TIO SEL.3
ST
AR
TER SWITCH(ACC
)
COOLAN
T
TEMP
. SEL.2
RE
V.
RA
TIO SEL.1
CHARGE
W
A
RNING
COOLAN
T
TEMP
. SEL.1
COMBINA
TION METER ILLUMINA
TIO
N
RE
V.
PULSE INPU
T
2
SIDE MARKER LAMP
GB
GR GW GY L LB LgY
LR LW O OG OW P R RB W WB
BA
TTER
Y
12V(+)
GL
CONNECTION
LIGHTING SWITCH
1-3,4-5
1-3,4-6
1-2,4-6
POSITION
ST
ON
OFF
HEAT
C B
R
A
CC
R
2
R
1
B
STARTER SWITCH
37
Y 12
11 BrB
GB
YB
54
YG
53 LR
55
57 L
53
LR
22 RB
L
57
54
YB
B Y B
B
B
17
WR
B
R
B
BrW
YW
G GW
YR
GR
Y
W
OG
GB
OW WB
RB
LgY
GY
LW Br LB L
WR GL LR
P
YL
O
AV60
55 59
37
38
37
19
19
17
2
3
13
11
7
3 4
28
13
8
22 19
2
1
LgR LgW
WR
YG
3R
3R
3R
Or
2GB 2GB
1
2 3
B
B
1
4
2
3
6
5
13 14 12 11
5 2
10
9 8 7 6 4 3 1
2Y
5W
R
Sb
8WY
2Y
5WR
LgR
5WR 5W
BrB
12 Y 2 WR
COM
E
L
B
IG
B
BR
ACC
R2
R1
C
5R
RB
AV60
+ -
12V 80AH
95D31R
OPEN
REV RATIO SEL.
2 3 4 1
34 PULSE/REV SET(NO.3)
COOLANT TEMP. SEL.
2 1
OPEN OPEN GND GND OPEN
COMBINATION METER SET
TEMP. 50-103 SET(NO.0)
FUSE
LIGHTING
SWITCH
F.L.
STARTER
SWITCH
F.
L.
BATTERY
RELAY
ALTERNATOR
BATTERY
FUEL GAUGE
UNIT
ENGINE OIL
PRESSURE
SWITCH
THERMO
UNIT
HYDRAULIC
OIL FILTER
SWITCH
COMBINATION METER
TACHO
METER
SENSOR
FUSE
65A
20A 15A 15A 15A 20A 20A
15A 15A
20A 20A
15A
65A
5A
TO
STARTER
MOTOR
TO
HEAD LAMP
TAIL LAMP
TO
FLOOD LAMP
FUSE BOX
BR
NO
Power
excitation
circuit
5 V
power
supply
Movement
Movement
Movement
LCD
CP
U
EEPROM
C
AN
in
te
rfa
ce
Tachometer
Fuel meter
Temperature
meter
Hour meter
O
ut
pu
t
in
te
rfa
ce
Output interface
Illumination LED
Water spray
indicator
Liquid spray
indicator
Position lamp
indicator
Flood lamp indicator
Vibration indicator
Turn signal indicator
(L)
Turn signal indicator
(R)
Parking brake
indicator
Engine oil pressure
indicator
Engine charge
warning indicator
Hydraulic filter
indicator
Glow plug indicator
Note: The circuit in the dashed box is not mounted.
12V
12V
12V
BATT (12V)
KEY SW
Input
interface
TA
input interface
Fr
eq
ue
nc
y
di
vi
de
r
se
le
ct
or
AD
in
pu
t i
nt
er
fa
ce
Input interface
Input interface
TA pulse
(pickup)
TA pulse
(square wave)
Fuel sensor
Temperature sensor
Engine speed 1
Engine speed 2
Engine speed 3
Engine speed 4
Position lamp
Backlight
Turn signal (R)
Turn signal (L)
Vibration
Liquid spray
Water spray
Flood lamp
Glow plug
Parking brake
Engine charge warning
Engine oil pressure
Hydraulic filter
Lamp check
Coolant temperature 1
Coolant temperature 2
System configuration diagram