Sakai R2H-2, Shop Manual

Page: 136 / 151

10-057
TROUBLESHOOTING
Fig.: 2-5-3
O O O O O
O
O
O O O O
O O
O
R2H-2-10008
O
YL
P
LR
R
GL WR
L LB Br LW GY
LgY RB
WB OW
GB
OG
W
Y
GR
YR
GW G
YW
BrW
B
HYD.PRESSURE REV RA
TIO SEL.1
GLOW ELEC.CHG.W
ARNING
PA
RKING BRAKE
HYD.FI
LT
ER
LAMP
CHECK
TEMP
.METER
FUEL
METER
REV PULSE INPU
T
・
2
GN
D
VIBRA
TIN
G
LIQUID SPR
AY
W
ATER SPR
AY
FLOOD LAMP POSITION LIGH
T
TURN SIGNAL(L
)
TURN SIGNAL(R
)
LIGHTIN
G
TEMP
CUR
VE SEL.2
TEMP
CUR
VE SEL.1
REV RA
TIO SEL.4
REV RA
TIO SEL.3
REV RA
TIO SEL.2
12V(+) KEY
SW
.(ACC)
REV PULSE INPU
T
・
1
RB GY
W
G GW GR
BrW YW YR Y
B L LB Br LW
YL
LR GL
WR
OW
WB LgY
OG GB R P O
COMBINATION METER
B
BATTERY
RELAY
5W
LgY 2 29
1 8WR 14
2
39
40
57
B
2 B
YL
38
RG
26
GR
L
GB
37
WY
45
RL
45
RL
5W
R
5W
R
WR WR
8WR
5W
FUSIBLE LINK
65A
5W
8WR
WL WG WR
WB 2W
G
1.25Gy
FUSIBLE LINK
STARTER
SWICTH
FUSE BOX
TURN
SIGNAL
SWITCH
TO TURN SIGNAL
LAMP (L)
TO TURN SIGNAL
LAMP (R)
LIGHTING SWITCH
FLOOD LAMP SWITCH
FLASHER
UNIT
FUSE
PARKING
BRAKE
SWITCH
TO
PARKING
INTERLOCK
RELAY
TO
FLOOD
LAMP
TO
SIDE MARKER LAMP
TAIL LAMP
LICENSE LAMP
TO BRAKE RELAY
YL
WB
YL
GW 1
4
3
2
6
5
G
BR
BrB
BrB 39
22
18
73 B 2
TO
LIGHTING
LO·HI SWITCH
14 50
75A
50 50
13
20A
15A 15A 15A 15A 15A
20A 20A 20A 20A
44 WG
48 1
2GB
FUSE
30A
2WR 66 50
C
B
BR
ACC
R1
R2
2
3
5
6
1
4
44
45
36 Lg RL
48
5A
48 W 57 L
5W
WG
3
1
2
5
44 2WG
36 Lg
LIGHTING
RELAY
64 2BrW
2 B
3
1
2
5
66 2GB
65 Sb
FLOOD LAMP
RELAY
38 2RG
2 B
22 44 11
6
WB
WY
37
9 5 3
12
2
B
Gy 11
6
GY
B E L
GY
L
R
G
GR
GR
GY
GB
26
6
40
3
2
1 11 1.25Gy
65 Sb
1.25LgR 21
DIODE
B R
1
R
2
Acc B
R
C
R
1
OFF
ACC
ST
Movement
Movement
Movement
LCD
EEPROM
Tachometer
Fuel meter
Temperature
meter
Hour meter
Illumination LED
Water spray
indicator
Liquid spray
indicator
Position lamp
indicator
Flood lamp indicator
Vibration 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
Power
excitation
circuit
5 V
power
supply
12V
BATT (12V)
12V KEY SW
Input
interface
TA pulse
(pickup)
TA pulse
(square wave)
12V
Fuel sensor
Temperature sensor
Engine speed 1
Engine speed 2
Engine speed 3
Engine speed 4
Position lamp
Backlight
Turn signal (right)
Turn signal (left)
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
CP
U
C
AN
in
te
rfa
ce
O
ut
pu
t
in
te
rfa
ce
Output interface
Note: The circuit in the dashed box is not mounted.
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
System configuration diagram