Sakai SW800-II, Shop Manual

Page: 238 / 258

10-064
TROUBLESHOOTING
Fig.: 2-7-2
SW800- -10007
O
YL
P
LR
R
GL WR
L LB Br LW GY
LgY
RB
WB OW
GB
OG
Y
GR
YR
GW G
YW
BrW
B
OIL PRESSURE
COMBINATION METER
RB GY G GW GR
BrW
YW YR Y B L LB Br LW YL LR GL
REV RATIO SEL.1
GLOW
ELEC.CHG.WARNING
PARKING BRAKE HYD.FILTER LAMP CHECK TEMP.METER FUEL METER
REV PULSE INPUT.2
GND VIBRATING LIQUIT SPRAY WATER SPRAY FLOOD LAMP
POSITION LIGHT TURN SIGNAL(L) TURN SIGNAL(R
)
WR
TEMP CURVE SEL.2 TEMP CURVE SEL.1 REV RATIO SEL.
4
REV RATIO SEL.
3
REV RATIO SEL.
2
OW WB W
LgY
OG GB
12V(+) KEY SW.(ACC)
REV PULSE INPUT.1
R P O
W
B X
14 12 11 13
9 8 7 6 5 4 3 2 1 10
15
A
15
A
15
A
20
A
20
A
20
A
15
A
15
A
20
A
20
A
FUSE BOX
B C
OFF
ACC
ACC
ST
R
1
B
R
R
2
R
1
STARTER SWITCH
CONNECTION TABLE
BR
NO COM
E
B
BATTERY
RELAY
F.L. 65A
51 5WG
R1
R2
BR
B
C
ACC
STARTER
SWITC H
49 5
L
49 5L
49 L
11
8 L
R
FUSE
5A
24 YG 5
3
1 2
64 LgW 48 LgW
LAMP CHECK
RELAY
X B
B D+ W
ALTERNATOR
BACKLIGHT
G
F
E D C
B A
Diode unit
22 Lg
23 GB
24 YG
21 YB
FUEL UNIT
B X
18 L
18 L
22 Lg
X B
LgR 116 LgR 116
5
3
2
1
E/G HYD.
RELAY
14 WY
14 WY
18 L
PARKING BRAKE
SWITCH
17 Y
1
3
4
5
X B
TO FOOT BRAKE
RELAY
HYD FILTER
SWITC H
33 GL
32 LR
37 YR
a
b
SOL
VIBRATOR
SOLENOID
VALVE(F)
a
SOL
VIBRATOR
SOLENOID
VALVE(R)
b
35 LgY
37 YR
35 LgY
32 LR
33 GL
34 YL 34 YL
117 LgY
117 LgY
DIANOSTIC:55
LAMP +
COOLANT LEVEL.:79
POWER INPUT: 3
POWER INPUT: 5
E/G START SW.:4 3
POWER INPUT: 1
E/G SPEED OUT:14
E/G SPEED IN:1 5
GRAUND FOR
MAIN RELAY:72
71:OIL PRES. +
51:OIL PRES. -
EMR 3,D2.2(k)
77:AIR DIFFERENTIAL
64:FUEL
63:FUEL SENSOR -
60:DIAG. CAN L
82:DIAG. CAN H
61:CAN L
62:CAN H
25:ISO K LINE
6 :GRAUND
4 :GRAUND
2 :GROUND
28:POWER KEY ON
13 W
Y
13 WY
TO VIBRATOR
SWITCH (F )
TO VIBRATOR
SWITCH (R )
Power
excitation
circuit
5 V
power
supply
Movement
Movement
Movement
LCD
CPU
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
Vi bration indicator
Turn signal indicator
(left)
Turn signal indicator
(right)
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.
12 V
12 V
12 V
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 lam p
Backlight
Tu rn signal (right)
Tu rn signal (left)
Vi bration
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