Sakai SW354, Shop Manual

Page: 418 / 480

10-069
TROUBLESHOOTING
Fig.: 2-6-5
SW354-10009
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
COOLANT
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
TTE
R
Y
12V(+)
GL
BR
NO
Or
38
AV60
60
BrY
W
21
RG
GR
G
GY
24
35 36
36
35
34
GY
34
38
37
19
19
21
2
3
3 4
8
24 19
2 1
LgR LgW
R B
R
Y
41
R
W
3R
3R
3R
G GR
34
GY
Or
38 Or
2GB
B
B
1
4
2
3
6
5
13 14 12 11
5 2
10
9 8 7 6 4 3 1
B
5WR
LgR
5WR 5W
COM
GY
GR
G
L
R
B
BR
ACC
C
5R
RG
E L B
R
Y
AV60
+ -
12V 80AH
95D31R
FUSE BOX
FUSE
LIGHTING
SWITCH
F.L.
FLASHER
UNIT
F.
L.
TURN SIGNAL
SWITCH
BATTERY
RELAY BATTERY
65A
20A 15A 15A 15A 20A 20A
15A 15A
20A 20A
15A
65A
TO
TURN SIGNAL
LAMP(R)
TO
TURN SIGNAL
LAMP(L)
TO
FLOOD LAMP
TO
BRAKE LAMP RELAY
7
5W
R
ST
ON
OFF
HEAT
C B
R
A
CC
R
2
R
1
B
STARTER SWITCH
GY G GR
TURN SIGNAL SWITCH
L
N
R
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
12 2
Y WR
COMBINATION METER
FUSE
5A
12
Y
11
BrB
11 BrB
38
Or
35
G
36
GR
GR
36
YL
15
35 G
38 Or
GR
36
35 G
38 Or
R1 STARTER
SWITCH
R2
CONNECTION POSITION
1-3,4-5
1-3,4-6
1-2,4-6
LIGHTING SWITCH
15
YL
15
YL
TO
HEAD LAMP, TAIL LAMP,
COMBINATION METER
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
301 Y
4
1
5
6
2
3
15
40
41
WB
B
RW
YL
PARKING BRAKE
SWITCH
TO
PARKING
INTERLOCK
RELAY
TO
PARKING
BRAKE
SOLENOID
COM NO NC
ST
OP
FOOT
BRAKE
SWITCH